Joel C. Rosenberg, author of The Twelfth Imam (Tyndale, $26.99, 9781414311630), will be a featured guest in Glenn Beck's documentary Rumors of Wars, which is being released online tomorrow and will be available only to premium subscribers of Fox News's glennbeck.com. The documentary is about the Iranian nuclear program. Rosenberg's novel posits that Iranians wanting to achieve the end of days and the return of the 12th Imam will drop nuclear weapons on Israel.