diff --git a/book/src/SUMMARY.md b/book/src/SUMMARY.md
index 153ef29..c933356 100644
--- a/book/src/SUMMARY.md
+++ b/book/src/SUMMARY.md
@@ -2,4 +2,8 @@
 # Rust GBA Guide
 
 * [Development Setup](development-setup.md)
+* [Volatile](volatile.md)
+* [Hardware Memory Map](hardware-memory-map.md)
+* [IO Registers](io-registers.md)
+* [Bitmap Video](bitmap-video.md)
 * [GBA Assembly](gba-asm.md)
diff --git a/book/src/bitmap-video.md b/book/src/bitmap-video.md
new file mode 100644
index 0000000..66ea828
--- /dev/null
+++ b/book/src/bitmap-video.md
@@ -0,0 +1 @@
+# Bitmap Video
diff --git a/book/src/hardware-memory-map.md b/book/src/hardware-memory-map.md
new file mode 100644
index 0000000..eba21cf
--- /dev/null
+++ b/book/src/hardware-memory-map.md
@@ -0,0 +1 @@
+# Hardware Memory Map
diff --git a/book/src/io-registers.md b/book/src/io-registers.md
new file mode 100644
index 0000000..3a3e53f
--- /dev/null
+++ b/book/src/io-registers.md
@@ -0,0 +1 @@
+# IO Registers
diff --git a/book/src/volatile.md b/book/src/volatile.md
new file mode 100644
index 0000000..a205d61
--- /dev/null
+++ b/book/src/volatile.md
@@ -0,0 +1 @@
+# Volatile