The paranormal has a shadow side — and here is what you need to know about it. From the foremost authority in paranormal research and investigation comes this essential introductory guide to twenty of the most important topics on the dark and dangerous side of the supernatural. Find out the truth about curses, haunted objects, demonic beings, doppelgangers, the evil eye, men in black, skinwalkers, Djinn, shadow people, vampire UFOs, dream invasion, mirrors, moon madness, the Ouija, and more. Plus, get tips on how to avoid paranormal problems and protect yourself against unwanted supernatural influences. If you have had strange experiences, this book will help you understand them. If you investigate the paranormal, this book will be one of your best allies.