G.P. Haggart's next book, Screech Owl: The Lie Behind Lilith, will be out in early 2010.
While Exorcist G.P. Haggart meets with the possessed in a hotel room in Clare, Michigan, a demon attempts to deceive him and John Mealer of C.M.P.I. over the mysterious origins of demons. Learn what demons want to lead you to believe.

Mechanics of Demonology (Now Available)
Published by Blue Lion Publications. A mechanical textbook on demonology for any person seeking to get into the field.
Read G.P. Haggart's personal story that drove him to become an exorcist. Read about frightening cases he has handled and research conducted to discover how demons operate. Learn quick and easy tactics to trick demons into leaving. Find out the anatomy of an exorcism. Discover why demons possess and how they are able to enter.
Book contains:
(1 to 2 weeks handling)
The Infernal Truth, Series 1: Biblical Demonology
A Bible study in demonology. Read the verses and determine whether the statements are true. Great for a personal study or an introduction for a group study into demonology.
Study is available at all bookstores.
www.infernaltruth.com
The Infernal Truth, Series 2: Familars, Wizards & Witches
A Bible study in demonology over the origins of occult practices on familiar spirits. Read the verses and determine whether the statements are true or false. Learn the true about psychic power, mediums, doctrines of devils, magic and necromancy.
Study is available at all bookstores.
www.infernaltruth.com
The Origin of Demons
An audio CD of G.P. Haggart's speech at the 2008 Michigan Paranormal Conference. G.P. discusses both biblical and scientific evidence to support the Antediluvian Theory as the true origin of demons.
Only available from LuLu Press and www.infernaltruth.com
"On a scale of 1 to 10... a 10."
- Michael Higdon
Shadows & Lost Souls Talk Radio
"I love it!"
- Vickielynn
Shadows & Lost Souls Talk Radio