diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index 4ec0d2682..161a4a0a4 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -2005,6 +2005,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [Composing Programs](http://composingprograms.com) (3.x)
 * [Computational and Inferential Thinking](https://inferentialthinking.com/chapters/intro.html) - Ani Adhikari, John DeNero, David Wagner (HTML)
 * [Cracking Codes with Python](https://inventwithpython.com/cracking/) - Al Sweigart (3.6)
+* [CS50's Introduction to Programming with Python](https://cs50.harvard.edu/python/) - David J. Malan
 * [Data Structures and Algorithms in Python](https://web.archive.org/web/20161016153130/http://www.brpreiss.com/books/opus7/html/book.html) - B. R. Preiss (PDF) *( :card_file_box: archived)*
 * [Data Structures and Information Retrieval in Python](https://greenteapress.com/wp/data-structures-and-information-retrieval-in-python/) - Allen B. Downey
 * [Dive into Python 3](https://diveintopython3.problemsolving.io) - Mark Pilgrim (3.0) (CC BY-SA)