The detective genre has explored supernatural and paranormal themes throughout its colorful history. Stories of detectives investigating spiritualists, ghostly apparitions, the occult and psychics have spanned pulp fiction magazines, comic books, novels, film, television, animation and video games. This encyclopedia covers the history of the genre in its multiple forms and informs and adds to the knowledge of either the new or informed reader. Its A-Z format provides ready reference by title, detective fans browsing for new discoveries will enjoy the entertaining style.