diff --git a/free-programming-books.md b/free-programming-books.md
index 07cd4b9dd..19c34c56e 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1290,6 +1290,7 @@ See also [TeX](#tex)
 * [Lua 5.1 Reference Manual](http://www.lua.org/manual/5.1/)
 * [Programming In Lua](http://www.lua.org/pil/) (for version 5)
 * [Programming Gems](http://www.lua.org/gems/)
+* [Wikibook](http://en.wikibooks.org/wiki/Lua_Programming)
 
 
 ### Markdown