From 6583ceb22a4755512bbd1415ad9edf4f54a82370 Mon Sep 17 00:00:00 2001
From: Harald Schilly <harald.schilly@univie.ac.at>
Date: Tue, 15 Oct 2013 12:26:06 +0200
Subject: [PATCH] Sage for Power Users by William Stein

---
 free-programming-books.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index fdf05c26..e23f76c9 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -743,6 +743,7 @@
 
 * [The Sage Manuals](http://sagemath.org/doc/)
 * [Sage for Newbies](http://sage.math.washington.edu/home/tkosan/newbies_book/)
+* [Sage for Power Users](http://modular.math.washington.edu/books/sagebook/sagebook.pdf)
 
 ###Scala