The Demonologist : The Extraordinary Career of Ed and Lorraine Warren by Gerald.

If you think ghosts are only responsible for hauntings, think again. This New York Times Best Seller reveals the grave religious process behind supernatural events and how it can happen to you. Used as a text in seminaries and classrooms, this is one book you can't put down. For over five decades Ed and Loraine Warren have been considered America's foremost experts on demonology and exorcism. With thousands of investigations to their credit, they reveal what actually breaks the peace in haunted houses. Chapters include Annabelle and The Enfield Poltergeist.