Originally posted on: http://geekswithblogs.net/TATWORTH/archive/2013/07/26/oreilly-50-off-all-e-book-to-0500-pt-27july20134.aspx
At http://shop.oreilly.com/category/browse-subjects/programming.do?code=CFSCN13, O'Reilly are offering 50% off all e-books to 05:00 PT 27/July/2013
