Eric Schlosser blew minds (and turned stomachs) with his groundbreaking look inside the fast food industry, Fast Food Nation. In Chew on This, he directs his insights to the preteens and adolescents who comprise the fast food industry's biggest market. In our interview, Schlosser talks about how the topics he covers are always ones he's passionate about. "If you're going to do a book, you really need to care about the subject," he reasons.