diff --git a/README.md b/README.md
index 945568c..d885cf1 100644
--- a/README.md
+++ b/README.md
@@ -577,6 +577,7 @@ If you like Mind Expanding books you should check out my new project http://diff
 | Convict Conditioning | Paul Wade | [4.13](http://www.goodreads.com/book/show/7305111-convict-conditioning) | 2012 |  
 | Eat and Run: My Unlikely Journey to Ultramarathon Greatness |  Scott Jurek, Steve Friedman | [3.95](https://www.goodreads.com/book/show/13202092-eat-and-run) | 2012 |  
 | 8 Weeks to Optimum Health | Andrew Weil | [3.86](https://www.goodreads.com/book/show/37124.8_Weeks_to_Optimum_Health) |  |  
+| Grain Brain: The Surprising Truth about Wheat, Carbs, and Sugar--Your Brain's Silent Killers |  David Perlmutter | [3.89](https://www.goodreads.com/book/show/17333302-grain-brain) | 2013 |
 
 ## Design
 | Name | Author | Goodreads Rating | Year Published |