diff --git a/README.md b/README.md
index b743900..bf1eeb2 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,21 @@ This chapter covers hacking the double floating-point data type as it relates to
 
 -> Click [HERE](https://github.com/mytechnotalent/Embedded-Hacking/blob/main/Embedded-Hacking.pdf) to read the FREE pdf book.
 
+## Chapter 20: Static Variables
+This chapter covers static variables 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 21: Debugging Static Variables
+This chapter covers debugging static variables 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 22: Hacking Static Variables
+This chapter covers hacking static variables 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