Jon promoting Earth( The book) at BookExpo.
Photo: BEA.
NoFactZone posted about this event, and you can find that here, where they also linked to two recaps of the event, which you can find here, and here.
Sources:http://www.nofactzone.net/2010/05/27/bookexpo-america-presents-jon-stewart/, http://www.nofactzone.net/2010/05/27/bookexpo-america-presents-jon-stewart/, http://readersentertainment.blogspot.com/2010/05/great-times-at-bookexpo-america.html.
This is so exciting! can't wait for the book!