diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 08434a8..2a22bb8 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -16,10 +16,12 @@
     - [Control flow with `if`](if.md)
     - [Loops](loops.md)
 
-- [Ownership & borrowing]()
+- [Understanding Ownership](understanding-ownership.md)
     - [Ownership]()
     - [References & Borrowing]()
-    - [Lifetimes]()
+    - [Memory Layout]()
+    - [Slices]()
+    - [Advanced: Lifetimes]()
 
 - [Structs](structs.md)
     - [Method Syntax]()
diff --git a/src/understanding-ownership.md b/src/understanding-ownership.md
new file mode 100644
index 0000000..2b2eb43
--- /dev/null
+++ b/src/understanding-ownership.md
@@ -0,0 +1,6 @@
+# Understanding Ownership
+
+Now that we’ve got some basic syntax under our belt, it’s time to take a look
+at Rust’s most unique feature: ownership. We’ll also talk about several related
+features: borrowing, slices, and lifetimes, as well as how Rust lays things out
+in memory.