diff --git a/README.md b/README.md
index d353c57..dd0fc57 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Python and Algorithms
 ======================
 
-This repository contains a comprehensive study of Algorithms and Python, including an ["e-book" that I wrote](https://github.com/mariwahl/Python-and-Algorithms--Over-100-Exercises-and-Lessons).
+This repository contains a comprehensive study of Algorithms and Python, including an ["e-book" that I wrote](http://mariwahl.us/docs/algorithms_in_python.pdf).