From a23f77eab6aa3996f75a3d3d89562f12ddc47b02 Mon Sep 17 00:00:00 2001
From: Steven Clontz <steven.clontz@gmail.com>
Date: Thu, 14 May 2026 13:13:13 +0000
Subject: [PATCH 1/2] start modularizing publication files

---
 project.ptx                        |   9 ++
 publication/includes/common.ptx    |  17 ++++
 publication/includes/html.ptx      |  51 ++++++++++++
 publication/includes/latex.ptx     |  10 +++
 publication/includes/numbering.ptx |  19 +++++
 publication/includes/source.ptx    |  11 +++
 publication/main.ptx               |  14 ++++
 publication/publication.ptx        | 127 -----------------------------
 8 files changed, 131 insertions(+), 127 deletions(-)
 create mode 100644 publication/includes/common.ptx
 create mode 100644 publication/includes/html.ptx
 create mode 100644 publication/includes/latex.ptx
 create mode 100644 publication/includes/numbering.ptx
 create mode 100644 publication/includes/source.ptx
 create mode 100644 publication/main.ptx
 delete mode 100644 publication/publication.ptx

diff --git a/project.ptx b/project.ptx
index 6d084cd21..88d72dfc5 100644
--- a/project.ptx
+++ b/project.ptx
@@ -33,12 +33,14 @@
     <target
       name="precalculus-web"
       format="html"
+      publication="main.ptx"
       source="precalculus/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="precalculus-print"
       format="pdf"
+      publication="main.ptx"
       source="precalculus/source/main.ptx"
       output-filename="TBIL-Precalculus.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -63,6 +65,7 @@
       format="pdf"
       source="precalculus/source/main.ptx"
       xsl="slides.xsl"
+      publication="slides.ptx"
       output-filename="TBIL-Precalculus-Slides.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
@@ -71,12 +74,14 @@
     <target
       name="calculus-web"
       format="html"
+      publication="main.ptx"
       source="calculus/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="calculus-print"
       format="pdf"
+      publication="main.ptx"
       source="calculus/source/main.ptx"
       output-filename="TBIL-Calculus.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -101,6 +106,7 @@
       format="pdf"
       source="calculus/source/main.ptx"
       xsl="slides.xsl"
+      publication="slides.ptx"
       output-filename="TBIL-Calculus-Slides.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
@@ -109,12 +115,14 @@
     <target
       name="linear-algebra-web"
       format="html"
+      publication="main.ptx"
       source="linear-algebra/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="linear-algebra-print"
       format="pdf"
+      publication="main.ptx"
       source="linear-algebra/source/main.ptx"
       output-filename="TBIL-Linear-Algebra.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -139,6 +147,7 @@
       format="pdf"
       source="linear-algebra/source/main.ptx"
       xsl="slides.xsl"
+      publication="slides.ptx"
       output-filename="TBIL-Linear-Algebra-Slides.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
diff --git a/publication/includes/common.ptx b/publication/includes/common.ptx
new file mode 100644
index 000000000..78cefc31a
--- /dev/null
+++ b/publication/includes/common.ptx
@@ -0,0 +1,17 @@
+<common>
+    <!-- Level at which are html files generated (chapter/section/etc): -->
+    <chunking level="2" />
+    <!-- Depth for table of contents.  0 means no TOC -->
+    <tableofcontents level="2" />
+    <!-- Visibility of exercise components where they first appear.          -->
+    <!-- There are four components (statement/hint/answer/solution) for each -->
+    <!-- of five exercise types (inline/divisional/worksheet/reading/        -->
+    <!-- project). Some examples:                                            -->
+    <exercise-inline statement="yes" hint="yes" answer="no" solution="no" />
+    <exercise-divisional statement="yes" hint="yes" />
+    <exercise-project statement="yes" hint="yes" answer="no" solution="no" />
+    <!-- Style of fill-in-the-blanks: -->
+    <fillin textstyle="underline" mathstyle="shade" />
+    <!-- You can set a watermark: -->
+    <!-- <watermark scale="0.5">DRAFT</watermark> -->
+</common>
diff --git a/publication/includes/html.ptx b/publication/includes/html.ptx
new file mode 100644
index 000000000..6c43f23c7
--- /dev/null
+++ b/publication/includes/html.ptx
@@ -0,0 +1,51 @@
+<html>
+    <platform host="web"/>
+    <!-- The host above could also be "runestone" -->
+
+    <!-- Whether to knowl a particular elements is set here    -->
+    <!-- Lots of elements have this possibility; see the guide -->
+    <knowl
+        theorem="no"
+        proof="yes"
+        definition="no"
+        example="no"
+        example-solution="yes"
+        project="no"
+        task="no"
+        remark="no"
+        objectives="no"
+        outcomes="no"
+        figure="no"
+        table="no"
+        listing="no"
+        list="no"
+        exercise-inline="yes"
+        exercise-divisional="no"
+        exercise-worksheet="no"
+        exercise-readingquestion="no"
+    />
+    
+    <css theme="denver" palette="leaves"/>
+    <!-- Search can be default or none, or you can use a Google-cx number to use google's search
+    feature (but then variant should be set to none to avoid conflict) -->
+    <search variant="default" />
+    <!-- Embedded calculators.  For math, this could be geogebra-classic, geogebra-graphing,
+    geogebra-geometry, and geogebra-3d.  For ActiveCode, you can specify a language (python,
+    javascript, etc).  -->
+    <calculator model="none" activecode="none" />
+    <!-- Set the base URL of where the online version is hosted to have links in other formats -->
+    <baseurl href="https://tbil.org"/>
+    <!-- Control behavior of online WeBWorK, per type: -->
+    <webwork
+      inline="dynamic"
+      divisional="static"
+      reading="static"
+      worksheet="static"
+      project="dynamic"
+    />
+    <!-- Magic IDs identify HTML pages to analytics services   -->
+    <!-- Presence implies relevant Javascript will be added    -->
+    <!-- StatCounter requires both values to be set            -->
+    <!-- <analytics google-gst="UA-0123456-1" statcounter-project="0123456"
+    statcounter-security="0123456"/> -->
+</html>
\ No newline at end of file
diff --git a/publication/includes/latex.ptx b/publication/includes/latex.ptx
new file mode 100644
index 000000000..f6e147638
--- /dev/null
+++ b/publication/includes/latex.ptx
@@ -0,0 +1,10 @@
+<latex print="no" sides="one" font-size="12" draft="no">
+<!-- LaTeX specific options: set @print="yes" to get pdf set up   -->
+<!-- for printing; set @sides="two" if the printing woudl be two- -->
+<!-- sided.  @pageref="yes/no" controls whether page number are   -->
+<!-- included in cross-references                                 -->
+    <page>
+        <geometry>letterpaper,margin=1in</geometry>
+    </page>
+    <asymptote links="no" />
+</latex>
diff --git a/publication/includes/numbering.ptx b/publication/includes/numbering.ptx
new file mode 100644
index 000000000..4ea3a39f7
--- /dev/null
+++ b/publication/includes/numbering.ptx
@@ -0,0 +1,19 @@
+<numbering>
+    <!-- the divisions element describes the numbering of divisions.  -->
+    <!-- @part-structure should be "decorative" or "structural",      -->
+    <!-- were the latter would restart numbering chapters within each -->
+    <!-- part (this only matters if your book has parts).             -->
+    <!-- The attribute @chapter-start give the number of the first    -->
+    <!-- chapter.  @level says how deep (chapter->section->subsection)-->
+    <!-- numbering should appear.                                     -->
+    <!-- For use with a book organized by part, you can set the -->
+    <!--  @part-structure to "decorative" or "structural" -->
+    <!-- <divisions part-structure="decorative" chapter-start="1" level="3"/> -->
+    <!-- The next elements say how the levels deep to break up the    -->
+    <!-- numbering of the respective elements. Can't be more than the -->
+    <!-- @level on divisions above.                                   -->
+    <blocks level="2" />
+    <projects level="2" />
+    <equations level="2" />
+    <footnotes level="2" />
+</numbering>
diff --git a/publication/includes/source.ptx b/publication/includes/source.ptx
new file mode 100644
index 000000000..cb0ca1133
--- /dev/null
+++ b/publication/includes/source.ptx
@@ -0,0 +1,11 @@
+<source>
+    <!-- Set where external assets and generated assets will be   -->
+    <!-- stored or created.  Directories are relative to the main -->
+    <!-- source PreTeXt file                                      -->
+    <directories external="../../../assets" generated="../generated-assets" />
+    <!-- Set which marked elements are included in this version: -->
+    <!-- See
+    https://pretextbook.org/doc/guide/html/publication-file-source.html#publication-file-source-version -->
+    <!-- <version include="videos labs"/> -->
+    <version include="main nonpreview html"/> 
+</source>
diff --git a/publication/main.ptx b/publication/main.ptx
new file mode 100644
index 000000000..545782711
--- /dev/null
+++ b/publication/main.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common.ptx"/>
+    <xi:include href="./includes/html.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="main nonpreview html"/> 
+    </source>
+</publication>
diff --git a/publication/publication.ptx b/publication/publication.ptx
deleted file mode 100644
index 1cdfc6402..000000000
--- a/publication/publication.ptx
+++ /dev/null
@@ -1,127 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- This is the publication file for a newly generated PreTeXt book.     -->
-<!-- By changing the values of attributes here, you can change how        -->
-<!-- the output looks and functions.  For the complete documentation      -->
-<!-- of publication-file options, see                                     -->
-<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
-
-<publication>
-  <common>
-    <!-- Level at which are html files generated (chapter/section/etc): -->
-    <chunking level="2" />
-    <!-- Depth for table of contents.  0 means no TOC -->
-    <tableofcontents level="2" />
-    <!-- Visibility of exercise components where they first appear.          -->
-    <!-- There are four components (statement/hint/answer/solution) for each -->
-    <!-- of five exercise types (inline/divisional/worksheet/reading/        -->
-    <!-- project). Some examples:                                            -->
-    <exercise-inline statement="yes" hint="yes" answer="no" solution="no" />
-    <exercise-divisional statement="yes" hint="yes" />
-    <exercise-project statement="yes" hint="yes" answer="no" solution="no" />
-    <!-- Style of fill-in-the-blanks: -->
-    <fillin textstyle="underline" mathstyle="shade" />
-    <!-- You can set a watermark: -->
-    <!-- <watermark scale="0.5">DRAFT</watermark> -->
-  </common>
-
-
-  <!-- Set where external assets and generated assets will be   -->
-  <!-- stored or created.  Directories are relative to the main -->
-  <!-- source PreTeXt file                                      -->
-  <source>
-    <directories external="../../../assets" generated="../generated-assets" />
-    <!-- Set which marked elements are included in this version: -->
-    <!-- See
-    https://pretextbook.org/doc/guide/html/publication-file-source.html#publication-file-source-version -->
-    <!-- <version include="videos labs"/> -->
-    <version include="main nonpreview html"/> 
-  </source>
-
-  <numbering>
-    <!-- the divisions element describes the numbering of divisions.  -->
-    <!-- @part-structure should be "decorative" or "structural",      -->
-    <!-- were the latter would restart numbering chapters within each -->
-    <!-- part (this only matters if your book has parts).             -->
-    <!-- The attribute @chapter-start give the number of the first    -->
-    <!-- chapter.  @level says how deep (chapter->section->subsection)-->
-    <!-- numbering should appear.                                     -->
-    <!-- For use with a book organized by part, you can set the -->
-    <!--  @part-structure to "decorative" or "structural" -->
-    <!-- <divisions part-structure="decorative" chapter-start="1" level="3"/> -->
-    <!-- The next elements say how the levels deep to break up the    -->
-    <!-- numbering of the respective elements. Can't be more than the -->
-    <!-- @level on divisions above.                                   -->
-    <blocks level="2" />
-    <projects level="2" />
-    <equations level="2" />
-    <footnotes level="2" />
-  </numbering>
-
-  <!-- LaTeX specific options: set @print="yes" to get pdf set up   -->
-  <!-- for printing; set @sides="two" if the printing woudl be two- -->
-  <!-- sided.  @pageref="yes/no" controls whether page number are   -->
-  <!-- included in cross-references                                 -->
-  <latex print="no" sides="one" font-size="12" draft="no">
-    <page>
-      <geometry>letterpaper,margin=1in</geometry>
-    </page>
-    <asymptote links="no" />
-
-  </latex>
-
-  <html>
-    <platform host="web"/>
-    <!-- The host above could also be "runestone" -->
-
-    <!-- Whether to knowl a particular elements is set here    -->
-    <!-- Lots of elements have this possibility; see the guide -->
-    <knowl
-      theorem="no"
-      proof="yes"
-      definition="no"
-      example="no"
-      example-solution="yes"
-      project="no"
-      task="no"
-      remark="no"
-      objectives="no"
-      outcomes="no"
-      figure="no"
-      table="no"
-      listing="no"
-      list="no"
-      exercise-inline="yes"
-      exercise-divisional="no"
-      exercise-worksheet="no"
-      exercise-readingquestion="no"
-    />
-    
-    <css theme="denver" palette="leaves"/>
-    <!-- Search can be default or none, or you can use a Google-cx number to use google's search
-    feature (but then variant should be set to none to avoid conflict) -->
-    <search variant="default" />
-    <!-- Embedded calculators.  For math, this could be geogebra-classic, geogebra-graphing,
-    geogebra-geometry, and geogebra-3d.  For ActiveCode, you can specify a language (python,
-    javascript, etc).  -->
-    <calculator model="none" activecode="none" />
-    <!-- Set the base URL of where the online version is hosted to have links in other formats -->
-    <baseurl href="https://tbil.org"/>
-    <!-- Control behavior of online WeBWorK, per type: -->
-    <webwork
-      inline="dynamic"
-      divisional="static"
-      reading="static"
-      worksheet="static"
-      project="dynamic"
-    />
-    <!-- Magic IDs identify HTML pages to analytics services   -->
-    <!-- Presence implies relevant Javascript will be added    -->
-    <!-- StatCounter requires both values to be set            -->
-    <!-- <analytics google-gst="UA-0123456-1" statcounter-project="0123456"
-    statcounter-security="0123456"/> -->
-  </html>
-
-  <!-- To use WeBWorK, you need a server.  -->
-  <!-- <webwork server="https://webwork-ptx.aimath.org"> -->
-</publication>

From 8ae231595acd2b197fd92f99bde86dea95818449 Mon Sep 17 00:00:00 2001
From: Steven Clontz <steven.clontz@gmail.com>
Date: Thu, 14 May 2026 13:28:28 +0000
Subject: [PATCH 2/2] update instructor versions

---
 project.ptx                                   |  24 ++--
 publication/calculus-instructor.ptx           |  14 ++
 publication/{main.ptx => calculus.ptx}        |   2 +-
 publication/includes/common-instructor.ptx    |  17 +++
 .../includes/{html.ptx => html-calculus.ptx}  |  21 +--
 publication/includes/html-linear-algebra.ptx  |  34 +++++
 publication/includes/html-precalculus.ptx     |  34 +++++
 publication/instructor.ptx                    | 126 ------------------
 publication/linear-algebra-instructor.ptx     |  14 ++
 publication/linear-algebra.ptx                |  14 ++
 publication/precalculus-instructor.ptx        |  14 ++
 publication/precalculus.ptx                   |  14 ++
 12 files changed, 170 insertions(+), 158 deletions(-)
 create mode 100644 publication/calculus-instructor.ptx
 rename publication/{main.ptx => calculus.ptx} (92%)
 create mode 100644 publication/includes/common-instructor.ptx
 rename publication/includes/{html.ptx => html-calculus.ptx} (55%)
 create mode 100644 publication/includes/html-linear-algebra.ptx
 create mode 100644 publication/includes/html-precalculus.ptx
 delete mode 100644 publication/instructor.ptx
 create mode 100644 publication/linear-algebra-instructor.ptx
 create mode 100644 publication/linear-algebra.ptx
 create mode 100644 publication/precalculus-instructor.ptx
 create mode 100644 publication/precalculus.ptx

diff --git a/project.ptx b/project.ptx
index 88d72dfc5..5f5f6d6c7 100644
--- a/project.ptx
+++ b/project.ptx
@@ -33,14 +33,14 @@
     <target
       name="precalculus-web"
       format="html"
-      publication="main.ptx"
+      publication="precalculus.ptx"
       source="precalculus/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="precalculus-print"
       format="pdf"
-      publication="main.ptx"
+      publication="precalculus.ptx"
       source="precalculus/source/main.ptx"
       output-filename="TBIL-Precalculus.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -49,14 +49,14 @@
       name="precalculus-web-instructor"
       format="html"
       source="precalculus/source/main.ptx"
-      publication="instructor.ptx" >
+      publication="precalculus-instructor.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="precalculus-print-instructor"
       format="pdf"
       source="precalculus/source/main.ptx"
-      publication="instructor.ptx"
+      publication="precalculus-instructor.ptx"
       output-filename="TBIL-Precalculus-Instructor.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
@@ -74,14 +74,14 @@
     <target
       name="calculus-web"
       format="html"
-      publication="main.ptx"
+      publication="calculus.ptx"
       source="calculus/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="calculus-print"
       format="pdf"
-      publication="main.ptx"
+      publication="calculus.ptx"
       source="calculus/source/main.ptx"
       output-filename="TBIL-Calculus.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -90,14 +90,14 @@
       name="calculus-web-instructor"
       format="html"
       source="calculus/source/main.ptx"
-      publication="instructor.ptx" >
+      publication="calculus-instructor.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="calculus-print-instructor"
       format="pdf"
       source="calculus/source/main.ptx"
-      publication="instructor.ptx"
+      publication="calculus-instructor.ptx"
       output-filename="TBIL-Calculus-Instructor.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
@@ -115,14 +115,14 @@
     <target
       name="linear-algebra-web"
       format="html"
-      publication="main.ptx"
+      publication="linear-algebra.ptx"
       source="linear-algebra/source/main.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="linear-algebra-print"
       format="pdf"
-      publication="main.ptx"
+      publication="linear-algebra.ptx"
       source="linear-algebra/source/main.ptx"
       output-filename="TBIL-Linear-Algebra.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
@@ -131,14 +131,14 @@
       name="linear-algebra-web-instructor"
       format="html"
       source="linear-algebra/source/main.ptx"
-      publication="instructor.ptx" >
+      publication="linear-algebra-instructor.ptx" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
     <target
       name="linear-algebra-print-instructor"
       format="pdf"
       source="linear-algebra/source/main.ptx"
-      publication="instructor.ptx"
+      publication="linear-algebra-instructor.ptx"
       output-filename="TBIL-Linear-Algebra-Instructor.pdf" >
       <stringparams debug.project.number="the-way-it-should-be"/>
     </target>
diff --git a/publication/calculus-instructor.ptx b/publication/calculus-instructor.ptx
new file mode 100644
index 000000000..e0277cb93
--- /dev/null
+++ b/publication/calculus-instructor.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common-instructor.ptx"/>
+    <xi:include href="./includes/html-calculus.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="instructor nonpreview instructor-nonpreview html"/>
+    </source>
+</publication>
diff --git a/publication/main.ptx b/publication/calculus.ptx
similarity index 92%
rename from publication/main.ptx
rename to publication/calculus.ptx
index 545782711..5be7d80f2 100644
--- a/publication/main.ptx
+++ b/publication/calculus.ptx
@@ -3,7 +3,7 @@
 <!-- For the complete documentation of publication-file options, see      -->                              -->
 <!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
     <xi:include href="./includes/common.ptx"/>
-    <xi:include href="./includes/html.ptx"/>
+    <xi:include href="./includes/html-calculus.ptx"/>
     <xi:include href="./includes/latex.ptx"/>
     <xi:include href="./includes/numbering.ptx"/>
     <!-- must be in actual file for CLI compatibility -->
diff --git a/publication/includes/common-instructor.ptx b/publication/includes/common-instructor.ptx
new file mode 100644
index 000000000..78cefc31a
--- /dev/null
+++ b/publication/includes/common-instructor.ptx
@@ -0,0 +1,17 @@
+<common>
+    <!-- Level at which are html files generated (chapter/section/etc): -->
+    <chunking level="2" />
+    <!-- Depth for table of contents.  0 means no TOC -->
+    <tableofcontents level="2" />
+    <!-- Visibility of exercise components where they first appear.          -->
+    <!-- There are four components (statement/hint/answer/solution) for each -->
+    <!-- of five exercise types (inline/divisional/worksheet/reading/        -->
+    <!-- project). Some examples:                                            -->
+    <exercise-inline statement="yes" hint="yes" answer="no" solution="no" />
+    <exercise-divisional statement="yes" hint="yes" />
+    <exercise-project statement="yes" hint="yes" answer="no" solution="no" />
+    <!-- Style of fill-in-the-blanks: -->
+    <fillin textstyle="underline" mathstyle="shade" />
+    <!-- You can set a watermark: -->
+    <!-- <watermark scale="0.5">DRAFT</watermark> -->
+</common>
diff --git a/publication/includes/html.ptx b/publication/includes/html-calculus.ptx
similarity index 55%
rename from publication/includes/html.ptx
rename to publication/includes/html-calculus.ptx
index 6c43f23c7..238e2cbe8 100644
--- a/publication/includes/html.ptx
+++ b/publication/includes/html-calculus.ptx
@@ -29,23 +29,6 @@
     <!-- Search can be default or none, or you can use a Google-cx number to use google's search
     feature (but then variant should be set to none to avoid conflict) -->
     <search variant="default" />
-    <!-- Embedded calculators.  For math, this could be geogebra-classic, geogebra-graphing,
-    geogebra-geometry, and geogebra-3d.  For ActiveCode, you can specify a language (python,
-    javascript, etc).  -->
-    <calculator model="none" activecode="none" />
     <!-- Set the base URL of where the online version is hosted to have links in other formats -->
-    <baseurl href="https://tbil.org"/>
-    <!-- Control behavior of online WeBWorK, per type: -->
-    <webwork
-      inline="dynamic"
-      divisional="static"
-      reading="static"
-      worksheet="static"
-      project="dynamic"
-    />
-    <!-- Magic IDs identify HTML pages to analytics services   -->
-    <!-- Presence implies relevant Javascript will be added    -->
-    <!-- StatCounter requires both values to be set            -->
-    <!-- <analytics google-gst="UA-0123456-1" statcounter-project="0123456"
-    statcounter-security="0123456"/> -->
-</html>
\ No newline at end of file
+    <baseurl href="https://library.tbil.org/2026/calculus/"/>
+</html>
diff --git a/publication/includes/html-linear-algebra.ptx b/publication/includes/html-linear-algebra.ptx
new file mode 100644
index 000000000..b8c517b05
--- /dev/null
+++ b/publication/includes/html-linear-algebra.ptx
@@ -0,0 +1,34 @@
+<html>
+    <platform host="web"/>
+    <!-- The host above could also be "runestone" -->
+
+    <!-- Whether to knowl a particular elements is set here    -->
+    <!-- Lots of elements have this possibility; see the guide -->
+    <knowl
+        theorem="no"
+        proof="yes"
+        definition="no"
+        example="no"
+        example-solution="yes"
+        project="no"
+        task="no"
+        remark="no"
+        objectives="no"
+        outcomes="no"
+        figure="no"
+        table="no"
+        listing="no"
+        list="no"
+        exercise-inline="yes"
+        exercise-divisional="no"
+        exercise-worksheet="no"
+        exercise-readingquestion="no"
+    />
+    
+    <css theme="denver" palette="leaves"/>
+    <!-- Search can be default or none, or you can use a Google-cx number to use google's search
+    feature (but then variant should be set to none to avoid conflict) -->
+    <search variant="default" />
+    <!-- Set the base URL of where the online version is hosted to have links in other formats -->
+    <baseurl href="https://library.tbil.org/2026/linear-algebra/"/>
+</html>
diff --git a/publication/includes/html-precalculus.ptx b/publication/includes/html-precalculus.ptx
new file mode 100644
index 000000000..7b78c62c7
--- /dev/null
+++ b/publication/includes/html-precalculus.ptx
@@ -0,0 +1,34 @@
+<html>
+    <platform host="web"/>
+    <!-- The host above could also be "runestone" -->
+
+    <!-- Whether to knowl a particular elements is set here    -->
+    <!-- Lots of elements have this possibility; see the guide -->
+    <knowl
+        theorem="no"
+        proof="yes"
+        definition="no"
+        example="no"
+        example-solution="yes"
+        project="no"
+        task="no"
+        remark="no"
+        objectives="no"
+        outcomes="no"
+        figure="no"
+        table="no"
+        listing="no"
+        list="no"
+        exercise-inline="yes"
+        exercise-divisional="no"
+        exercise-worksheet="no"
+        exercise-readingquestion="no"
+    />
+    
+    <css theme="denver" palette="leaves"/>
+    <!-- Search can be default or none, or you can use a Google-cx number to use google's search
+    feature (but then variant should be set to none to avoid conflict) -->
+    <search variant="default" />
+    <!-- Set the base URL of where the online version is hosted to have links in other formats -->
+    <baseurl href="https://library.tbil.org/2026/precalculus/"/>
+</html>
diff --git a/publication/instructor.ptx b/publication/instructor.ptx
deleted file mode 100644
index 3fff61ff0..000000000
--- a/publication/instructor.ptx
+++ /dev/null
@@ -1,126 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- This is the publication file for a newly generated PreTeXt book.     -->
-<!-- By changing the values of attributes here, you can change how        -->
-<!-- the output looks and functions.  For the complete documentation      -->
-<!-- of publication-file options, see                                     -->
-<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
-
-<publication>
-  <common>
-    <!-- Level at which are html files generated (chapter/section/etc): -->
-    <chunking level="2" />
-    <!-- Depth for table of contents.  0 means no TOC -->
-    <tableofcontents level="2" />
-    <!-- Visibility of exercise components where they first appear.          -->
-    <!-- There are four components (statement/hint/answer/solution) for each -->
-    <!-- of five exercise types (inline/divisional/worksheet/reading/        -->
-    <!-- project). Some examples:                                            -->
-    <exercise-inline statement="yes" hint="yes" answer="yes" solution="yes" />
-    <exercise-divisional statement="yes" hint="yes" />
-    <exercise-project statement="yes" hint="yes" answer="yes" solution="yes" />
-    <!-- Style of fill-in-the-blanks: -->
-    <fillin textstyle="underline" mathstyle="shade" />
-    <!-- You can set a watermark: -->
-    <!-- <watermark scale="0.5">DRAFT</watermark> -->
-  </common>
-
-
-  <!-- Set where external assets and generated assets will be   -->
-  <!-- stored or created.  Directories are relative to the main -->
-  <!-- source PreTeXt file                                      -->
-  <source>
-    <directories external="../../../assets" generated="../generated-assets" />
-    <!-- Set which marked elements are included in this version: -->
-    <!-- See
-    https://pretextbook.org/doc/guide/html/publication-file-source.html#publication-file-source-version -->
-    <!-- <version include="videos labs"/> -->
-    <version include="instructor nonpreview instructor-nonpreview html"/>
-  </source>
-
-  <numbering>
-    <!-- the divisions element describes the numbering of divisions.  -->
-    <!-- @part-structure should be "decorative" or "structural",      -->
-    <!-- were the latter would restart numbering chapters within each -->
-    <!-- part (this only matters if your book has parts).             -->
-    <!-- The attribute @chapter-start give the number of the first    -->
-    <!-- chapter.  @level says how deep (chapter->section->subsection)-->
-    <!-- numbering should appear.                                     -->
-    <!-- For use with a book organized by part, you can set the -->
-    <!--  @part-structure to "decorative" or "structural" -->
-    <!-- <divisions part-structure="decorative" chapter-start="1" level="3"/> -->
-    <!-- The next elements say how the levels deep to break up the    -->
-    <!-- numbering of the respective elements. Can't be more than the -->
-    <!-- @level on divisions above.                                   -->
-    <blocks level="2" />
-    <projects level="2" />
-    <equations level="2" />
-    <footnotes level="2" />
-  </numbering>
-
-  <!-- LaTeX specific options: set @print="yes" to get pdf set up   -->
-  <!-- for printing; set @sides="two" if the printing woudl be two- -->
-  <!-- sided.  @pageref="yes/no" controls whether page number are   -->
-  <!-- included in cross-references                                 -->
-  <latex print="no" sides="one" font-size="12" draft="no">
-    <page>
-      <geometry>letterpaper,margin=1in</geometry>
-    </page>
-    <asymptote links="no" />
-
-  </latex>
-
-  <html>
-    <platform host="web"/>
-    <!-- The host above could also be "runestone" -->
-
-    <!-- Whether to knowl a particular elements is set here    -->
-    <!-- Lots of elements have this possibility; see the guide -->
-    <knowl
-      theorem="no"
-      proof="yes"
-      definition="no"
-      example="no"
-      example-solution="yes"
-      project="no"
-      task="no"
-      remark="no"
-      objectives="no"
-      outcomes="no"
-      figure="no"
-      table="no"
-      listing="no"
-      list="no"
-      exercise-inline="yes"
-      exercise-divisional="no"
-      exercise-worksheet="no"
-      exercise-readingquestion="no"
-    />
-    <css theme="denver" palette="leaves"/>
-    <!-- Search can be default or none, or you can use a Google-cx number to use google's search
-    feature (but then variant should be set to none to avoid conflict) -->
-    <search variant="default" />
-    <!-- Embedded calculators.  For math, this could be geogebra-classic, geogebra-graphing,
-    geogebra-geometry, and geogebra-3d.  For ActiveCode, you can specify a language (python,
-    javascript, etc).  -->
-    <calculator model="none" activecode="none" />
-    <!-- Set the base URL of where the online version is hosted to have links in other formats -->
-    <baseurl href="https://tbil.org"/>
-    <!-- Control behavior of online WeBWorK, per type: -->
-    <webwork
-      inline="dynamic"
-      divisional="static"
-      reading="static"
-      worksheet="static"
-      project="dynamic"
-    />
-    <!-- Magic IDs identify HTML pages to analytics services   -->
-    <!-- Presence implies relevant Javascript will be added    -->
-    <!-- StatCounter requires both values to be set            -->
-    <!-- <analytics google-gst="UA-0123456-1" statcounter-project="0123456"
-    statcounter-security="0123456"/> -->
-  </html>
-
-  <!-- To use WeBWorK, you need a server.  -->
-  <!-- <webwork server="https://webwork-ptx.aimath.org"> -->
-</publication>
diff --git a/publication/linear-algebra-instructor.ptx b/publication/linear-algebra-instructor.ptx
new file mode 100644
index 000000000..c77a6969e
--- /dev/null
+++ b/publication/linear-algebra-instructor.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common-instructor.ptx"/>
+    <xi:include href="./includes/html-linear-algebra.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="main nonpreview html"/> 
+    </source>
+</publication>
diff --git a/publication/linear-algebra.ptx b/publication/linear-algebra.ptx
new file mode 100644
index 000000000..d881b0865
--- /dev/null
+++ b/publication/linear-algebra.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common.ptx"/>
+    <xi:include href="./includes/html-linear-algebra.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="main nonpreview html"/> 
+    </source>
+</publication>
diff --git a/publication/precalculus-instructor.ptx b/publication/precalculus-instructor.ptx
new file mode 100644
index 000000000..b08c85d9f
--- /dev/null
+++ b/publication/precalculus-instructor.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common.ptx"/>
+    <xi:include href="./includes/html-precalculus.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="main nonpreview html"/> 
+    </source>
+</publication>
diff --git a/publication/precalculus.ptx b/publication/precalculus.ptx
new file mode 100644
index 000000000..b08c85d9f
--- /dev/null
+++ b/publication/precalculus.ptx
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<publication xmlns:xi="http://www.w3.org/2001/XInclude">
+<!-- For the complete documentation of publication-file options, see      -->                              -->
+<!-- https://pretextbook.org/doc/guide/html/publisher-file-reference.html -->
+    <xi:include href="./includes/common.ptx"/>
+    <xi:include href="./includes/html-precalculus.ptx"/>
+    <xi:include href="./includes/latex.ptx"/>
+    <xi:include href="./includes/numbering.ptx"/>
+    <!-- must be in actual file for CLI compatibility -->
+    <source>                                  -->
+        <directories external="../../../assets" generated="../generated-assets" />
+        <version include="main nonpreview html"/> 
+    </source>
+</publication>