diff --git a/free-programming-books.md b/free-programming-books.md
index 6e13d8bf14093e20f4447bda48c1be7455e304f0..85b5dcc6b838ba0540f0ca0c5d189c10c4d11725 100644
--- a/free-programming-books.md
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@@ -306,6 +306,7 @@
 * [Learn C the hard way](http://c.learncodethehardway.org/book/)
 * [The new C standard - an annotated reference](http://www.knosof.co.uk/cbook/cbook.html)
 * [Object Oriented Programming in C](http://www.planetpdf.com/codecuts/pdfs/ooc.pdf) (PDF)
+* [C Programming - Wikibooks](http://en.wikibooks.org/wiki/Programming:C) 
 
 
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