This revised edition of The Art and Science of Paranormal Investigation is designed for both new-comers to this fascinating field and accomplished investigators. Starting with a solid foundation in the history of the paranormal, the book fully describes the investigative process beginning with methods of interviewing witnesses, research of historical material, and identification of physical elements that may be implicated in the experience of paranormal phenomena. Clear and detailed explanations of ghosts, hauntings, phantoms, demons, and other entities are provided with analysis of the underlying scientific basis and suggestions for investigation and research. The major methods of paranormal investigation - Psychic and Technical - are critically analyzed and described in ways that promote their proper use and lead to more successful ghost hunts. Several important issues, including the validity of the psychic experience and proper use of technical devices, form the core of the book and culminate is suggestions for combining psychic and technical investigations. Several chapters offer guidelines for dealing with clients and witnesses, forming investigative teams, creating a final report, staging a reveal, and inter-acting with new media and law enforcement.