Course Update and Errata Feed http://www.chall.com/rss/erratafeed.rss The Latest Course and Content Updates from Challenger Challenger Corporation mirabyte Feed Writer Fri, 18 Sep 2009 12:22:44 -0500 Fri, 18 Sep 2009 11:10:09 -0500 Errata Report 2009-08 http://www.chall.com/rss/errata/errata_2009_08.pdf Recent Content Corrections 2009-08 (PDF) Mon, 31 Aug 2009 00:00:00 -0500