Just got an email from the Texas Freedom Network:

David Barton’s publisher has dropped his “The Jefferson Lies” (foreword by Glenn Beck!) book, over factual errors.
http://www.tennessean.com/article/20120809/NEWS06/308090103/Thomas-Nelson-drops-Jefferson-Lies-book-over-factual-errors

Review Of The Jefferson Lies (2012)
by Steven Green, Director of the Center for Religion, Law and Democracy at Willamette University:
http://www.tfn.org/site/PageServer?pagename=issues_religious_right_watch_david_barton_jefferson_lies