Stories about demons are rising in pop culture, but accounts of their manifestations have been bubbling up throughout history. Paranormal investigator Richard Estep explores this societal fascination as he strives to identify exactly what demons are and where to find them.

Consulting with experts ranging from an ordained Catholic exorcist to a medical doctor, Richard scrutinizes the history of demonology and infamous instances of possession, including the case that inspired The Exorcist. He also visits several sites of alleged demonic infestations, such as the Monroe House and the site of the 1928 Earling, Iowa exorcism. With all the facts at your fingertips, you can decide the truth for yourself.

Features interviews with: Jeff Belanger, researcher for Ghost Adventures TV series; MJ Dickson, cohost of Paranormal Captured TV series; Jason Hawes, executive and series producer of Ghost Hunters TV series; Patti Negri, medium on Ghost Adventures TV series; Dr. Ciaran O'Keeffe, parapsychologist on Most Haunted TV series; Aaron Sagers, cohost of 28 Days Haunted TV series; and Dave Schrader, host of The Paranormal 60 podcast.

Includes a foreword by M. Belanger, author of Dictionary of Demons