diff --git a/content/_toc.yml b/content/_toc.yml
index 74d5c71..2ce5471 100644
--- a/content/_toc.yml
+++ b/content/_toc.yml
@@ -4,6 +4,7 @@
 format: jb-book
 root: intro
 chapters:
+- file: download_data
 - file: markdown
 - file: notebooks
 - file: markdown-notebooks
diff --git a/content/download_data.md b/content/download_data.md
new file mode 100644
index 0000000..79df4d3
--- /dev/null
+++ b/content/download_data.md
@@ -0,0 +1,16 @@
+---
+jupytext:
+  text_representation:
+    extension: .md
+    format_name: myst
+    format_version: 0.13
+    jupytext_version: 1.10.3
+kernelspec:
+  display_name: Python 3
+  language: python
+  name: python3
+---
+
+# Download Data for the Book
+
++++
diff --git a/content/requirements.txt b/content/requirements.txt
index 7e821e4..eb99558 100644
--- a/content/requirements.txt
+++ b/content/requirements.txt
@@ -1,3 +1,4 @@
 jupyter-book
 matplotlib
 numpy
+nimare==0.0.12rc6