diff --git a/free-programming-books.md b/free-programming-books.md
index 22b387dc2b8e9bf89908ee002d5a989a383063fc..0b32f7740ffa69387ef616e173b5c7c5e6e0d788 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1581,6 +1581,7 @@ See also [TeX](#tex)
 * [Structure and Interpretion of Computer Programs](http://mitpress.mit.edu/sicp/full-text/book/book.html)
 * [Teach Yourself Scheme in Fixnum Days](http://www.ccs.neu.edu/home/dorai/t-y-scheme/t-y-scheme.html)
 * The Scheme Programming Language [Edition 3](http://www.scheme.com/tspl3/), [Edition 4](http://www.scheme.com/tspl4/)
+* [Write Yourself a Scheme in 48 Hours](http://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_Hours)
 
 
 ###Scilab