Year Month Revised Chapters & Summaries 2011 April 1 2 5 7 8 9 12 ~ Summary 2010 January 12 2009 August 1 2 4 5 7 9 10 12 ~ Summary 2008 July 1 4 12 ~ Summary 2007 September 1 4 ~ Summary 2006 July 1 4 9 12 ~ Summary April 1 4 5 6 7 8 9 10 12 ~ Summary