From 1ac1d84f053424f5835332f7de618c1aa10de472 Mon Sep 17 00:00:00 2001
From: Jimages <jimages123@gmail.com>
Date: Mon, 18 Jul 2016 22:11:26 +0800
Subject: [PATCH] Add a free book about machine learning.

---
 extras/free-books.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/extras/free-books.md b/extras/free-books.md
index 84aae99..65c8b2b 100644
--- a/extras/free-books.md
+++ b/extras/free-books.md
@@ -104,6 +104,10 @@ Name | Author(s)
 
 ### Machine Learning
 
+Name | Author(s)
+:-- | :--:
+[Deep Learning](http://www.deeplearningbook.org/) | Ian Goodfellow, Yoshua Bengio and Aaron Courville
+
 ### Natural Language Processing
 
 ### Big Data