**As seen in the upcoming Sony Pictures film Ghostbusters** Years before they made headlines with the Ghostbusters, Erin Gilbert and Abby L. Yates published the ground-breaking study of the paranormal, Ghosts from Our Past - now back in print! Extraordinary claims require extraordinary evidence. Whether you're a believer or a sceptic, you'll find the information you're seeking right here in this extraordinary book, including: * The frightening childhood experiences that inspired Erin and Abby's lifelong passion for the paranormal; * The history and science behind ghosts and other supernatural entities, with an illustrated guide to each class of spook; * Helpful sidebars like Is It a Ghost? A Handy Quiz, Ectoplasm Clean-up Tips, and more. With this official Ghostbusters guide in hand, you'll be prepared for almost any spirit, spook, or spectre that comes your way. For the rest, you know who to call.