Add Free Programming Books link

inferjay · inferjay · commit a3ebd33d97db · 2014-08-23T00:14:31.000+08:00
diff --git a/README.md b/README.md
@@ -609,6 +609,10 @@ Segmentfault镜像地址：[http://mirrors.segmentfault.com/adchs/](http://mirro
 
 [素材下载](http://pan.baidu.com/s/1i35iBNv)(感谢 [@SanityD](http://weibo.com/sanityd))
 
+#Books
+---
+[Free Programming Books](https://github.com/vhf/free-programming-books/blob/master/free-programming-books.md#android)
+
 ---
 #License
 版权声明：版权归原作者所有，这里仅做收集整理，欢迎自由转载-非商用-非衍生-保持署名 | [Creative Commons BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/deed.zh)
