diff --git a/free-courses-en.md b/free-courses-en.md
index 676d62cae3da9e1557ec3682ad78e41ede9fc1f7..9928e977585e69a2115cefd07f6d42d5fd8ddffd 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -56,6 +56,7 @@
 
 ###Python
 * [Google's Python Course](https://developers.google.com/edu/python/)
+* [Berkeley's Structure and Interpretation of Computer Programs](http://www-inst.eecs.berkeley.edu/~cs61a/)
 
 
 ###Ruby