diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index a265ccb84..d47f145e3 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -1903,6 +1903,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Code Like a Pythonista: Idiomatic Python](https://web.archive.org/web/20180411011411/http://python.net/~goodger/projects/pycon/2007/idiomatic/handout.html) - David Goodger
 * [CodeCademy Python](https://www.codecademy.com/learn/python)
 * [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)
 * [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)
 * [Dive into Python 3](https://diveintopython3.problemsolving.io) - Mark Pilgrim (3.0)