diff --git a/free-programming-books.md b/free-programming-books.md
index c4f550efb79c54532681f14bde9ba013b81ef0c7..a95d2d08cb07fe24423043294469f1f137d41096 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -18,6 +18,7 @@
 * [Elasticsearch](#elasticsearch)
 * [Emacs](#emacs)
 * [Erlang](#erlang)
+* [Flask](#flask)
 * [Flex](#flex)
 * [F#](#f-sharp)
 * [Forth](#forth)
@@ -320,6 +321,9 @@
 
 * [Learn You Some Erlang For Great Good](http://learnyousomeerlang.com/)
 
+###Flask
+
+* [The Flask Mega-Tutorial](http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world)
 
 ###Flex