diff --git a/README.md b/README.md
index 588dafb..d6a4274 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,16 @@ This chapter covers the integer data type as it relates to embedded development
 
 -> Click [HERE](https://github.com/mytechnotalent/Embedded-Hacking/blob/main/Embedded-Hacking.pdf) to read the FREE pdf book.
 
+## Chapter 12: Debugging Integer Data Type
+This chapter covers debugging the integer data type as it relates to embedded development on the Pico W.
+
+-> Click [HERE](https://github.com/mytechnotalent/Embedded-Hacking/blob/main/Embedded-Hacking.pdf) to read the FREE pdf book.
+
+## Chapter 13: Hacking Integer Data Type
+This chapter covers hacking the integer data type as it relates to embedded development on the Pico W.
+
+-> Click [HERE](https://github.com/mytechnotalent/Embedded-Hacking/blob/main/Embedded-Hacking.pdf) to read the FREE pdf book.
+
 ## IN DEVELOPMENT
 
 ## License