diff --git a/source/ch-second.ptx b/source/ch-second.ptx
new file mode 100644
index 0000000..6c4c55c
--- /dev/null
+++ b/source/ch-second.ptx
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<chapter xml:id="ch-second" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <title>New Stuff</title>
+
+  <introduction>
+    <p> This is the header text from the second chapter. </p>
+  </introduction>
+
+  <!-- include sections -->
+  <xi:include href="sec-new-section.ptx" />
+
+</chapter>
\ No newline at end of file
diff --git a/source/main.ptx b/source/main.ptx
index bb7132f..603fe71 100644
--- a/source/main.ptx
+++ b/source/main.ptx
@@ -13,6 +13,7 @@
 
     <!-- Include chapters -->
     <xi:include href="./ch-introduction.ptx" />
+    <xi:include href="./ch-second.ptx" />
 
 
     <!-- Include backmatter -->
diff --git a/source/sec-new-section.ptx b/source/sec-new-section.ptx
new file mode 100644
index 0000000..2899333
--- /dev/null
+++ b/source/sec-new-section.ptx
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<section xml:id="sec-new-section" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <title>Section Title</title>
+
+  <p> Here is the text of chapter 2! </p>
+
+</section>
\ No newline at end of file