diff --git a/books/free-programming-books-it.md b/books/free-programming-books-it.md
index a8e88d91b..f3913ea5f 100644
--- a/books/free-programming-books-it.md
+++ b/books/free-programming-books-it.md
@@ -234,6 +234,7 @@
 * [Immersione in Python 3](http://gpiancastelli.altervista.org/dip3-it/) - Mark Pilgrim, `trl.:` Giulio Piancastelli (HTML) [(PDF)](http://gpiancastelli.altervista.org/dip3-it/d/diveintopython3-it-pdf-latest.zip)
 * [La libreria di riferimento di Python](http://docs.python.it/html/lib/)
 * [Pensare da Informatico, Versione Python](http://www.python.it/doc/Howtothink/Howtothink-html-it/index.htm)
+* [Pensare in Python](https://github.com/AllenDowney/ThinkPythonItalian) - Allen B. Downey, `trl.:` Alessandro Pocaterra (HTML, PDF)
 * [Python per tutti: Esplorare dati con Python3](http://do1.dr-chuck.com/pythonlearn/IT_it/pythonlearn.pdf) - Charles Russell Severance (PDF) [(EPUB)](http://do1.dr-chuck.com/pythonlearn/IT_it/pythonlearn.epub)