This wikibook was started years ago. Revisions were last made more than a year ago. The last 19 revisions of the book's front page, not counting the most recent 3, were made between 12/29/2008 and 10/25/2010, averaging one every 41 days and spreading over 665 days. This book has 8 webpages as of 7/1/2012. All pages are listed below for ease of reference.