diff --git a/books.md b/books.md
index 7258939..d52ff18 100644
--- a/books.md
+++ b/books.md
@@ -8,4 +8,9 @@ This is not a list of stuff I've read;
 most likely, it's things that I want to read at some point
 or just wanted to save in case I ever need them.
 
+### [Introduction to Applied Linear Algebra](https://web.stanford.edu/~boyd/vmls/)
 
+Introduction to Applied Linear Algebra – Vectors, Matrices, and Least Squares
+Stephen Boyd and Lieven Vandenberghe
+
+> This book is used as the textbook for the course EE103 (Stanford) and EE133A (UCLA), where you will find additional related material.