From the publisher's website: "Join Brandon Alvis and Mustafa Gatollari, stars of the hit A&E television show Ghost Hunters, as they reveal the real story behind six of their most compelling and terrifying investigations. Within these pages, you will discover the shocking secrets of the Grey Lady at Indianapolis's Athenaeum, a self-manifested haunting at Ohio's Madison Seminary, and the guilt-ridden entity at the Worley Hotel in Pampa, Texas. You will discover the critical historical details of each location as well as the full story of the investigations, exploring important events that have never been previously revealed. The authors also include their groundbreaking classification system for ghosts and hauntings that is transforming the field of paranormal studies into a true scientific discipline."