Grady Hendrix is the author of the novelsHorrorstör, about a haunted IKEA, andMy Best Friend's Exorcism, which is likeBeachesmeetsThe Exorcist, only it's set in the Eighties. He's also the author ofWe Sold Our Souls,The Southern Book Club's Guide to Slaying Vampires, and the upcoming (July 13!)Final...