Que publishing has released Tricks of the Podcasting Masters by Mur Lafferty, producer of GeekFu Action Grip, and Rob Walch, host of podCast411, with a foreword by Senator John Edwards.The book is described as “the first podcasting book to focus on the Art of podcasting. It teaches people how to promote their podcast and grow their audience by looking at and talking with the biggest names in podcasting.”