diff --git a/free-programming-books.md b/free-programming-books.md
index a80b28bd5c8e2802bbc279bf419590ccac9bda56..7c6be6153849947a948990edcb0b544f816b0c37 100644
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@@ -620,7 +620,8 @@ See also [TeX](#tex)
 ###Mathematica
 
 * [Mathematica® programming: an advanced introduction by Leonid Shifrin](http://www.mathprogramming-intro.org/)
-
+* [Stephen Wolfram's The Mathematica Book] (http://reference.wolfram.com/legacy/v5_2/)
+* [Wolfram Mathematica Tutorial Collection] (http://www.wolfram.com/learningcenter/tutorialcollection/)
 
 ###Maven