diff --git a/free-programming-books.md b/free-programming-books.md
index 042ba8da67f343af6fc2097b4a2afd983bf7b3b6..30f301021b5d8040bad50b66de71fd712988e886 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1624,7 +1624,7 @@ See also [LaTeX](#latex)
 * [Developing An Advanced Windows Phone 7.5 App That Connects To The Cloud](http://coolthingoftheday.blogspot.co.uk/2012/05/free-ebook-guidance-advanced-windows.html)
 * [Programming Windows Phone 7](http://blogs.msdn.com/b/microsoft_press/archive/2010/10/28/free-ebook-programming-windows-phone-7-by-charles-petzold.aspx)
 * [Windows Phone Programming Blue Book](http://www.robmiles.com/c-yellow-book/)
-* [Windows Phone 8 Development Succinctly](http://www.syncfusion.com/resources/techportal/ebooks/windowsphone8)
+* [Windows Phone 8 Development Succinctly](http://www.syncfusion.com/resources/techportal/ebooks/windowsphone8) (PDF) by Matteo Pagani
 
 
 ###Workflow