From 1c31f9365311a6e0f108b5db5a88bd8d66f9634c Mon Sep 17 00:00:00 2001
From: slitherintopython <61619737+slitherintopython@users.noreply.github.com>
Date: Sat, 29 Feb 2020 17:54:40 +0000
Subject: [PATCH] Added slither into python book (#3552)

---
 free-programming-books.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index 3e97e97cd..4c1227443 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -2261,6 +2261,7 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Python Programming](https://upload.wikimedia.org/wikipedia/commons/9/91/Python_Programming.pdf) - Wikibooks (PDF) (2.6)
 * [Scipy Lecture Notes](http://scipy-lectures.github.io)
 * [SICP in Python](http://www-inst.eecs.berkeley.edu/~cs61a/sp12/book/) (3.2)
+* [Slither into Python: An introduction to Python for beginners](https://www.slitherintopython.com) (3.7)
 * [Suporting Python 3: An In-Depth Guide](http://python3porting.com) (2.6 - 2.x & 3.1 - 3.x)
 * [Test-Driven Web Development with Python](http://www.obeythetestinggoat.com/pages/book.html) - Harry Percival (3.3 - 3.x)
 * [Text Processing in Python](http://gnosis.cx/TPiP/) - David Mertz (2.3 - 2.x)