diff --git a/README.md b/README.md
index 61a8586..dddb5f9 100644
--- a/README.md
+++ b/README.md
@@ -413,6 +413,7 @@ Must see
 * [The Visual Story](http://www.amazon.com/The-Visual-Story-Creating-Structure/dp/0240807790/)
 * [Theory of Fun](http://www.amazon.com/Theory-Game-Design-Raph-Koster/dp/1449363210/)
 * [Tricks of the Windows Game Programming Gurus](http://www.amazon.com/Tricks-Windows-Game-Programming-Gurus/dp/0672313618)
+* [Unity in Action (book)](https://www.manning.com/books/unity-in-action-second-edition) 
 
 ### Magazines