"All of the necessary information is there, Mr. Deel covers all the bases to create an up-to-date read on a very complex subject, as it reveals the 'Hows' and 'Whys' of ghost and demonic activity. Particularly useful for those who must cope with this dreadful phenomenon a professional level. The book is full of sound advice and practical detail what activity lurks behind the veil... Whether you are a Clergymen, a would-be "Ghost buster" or just merely a "Curious one" about these topics, you will find the book very informative." - Gerald Brittle, Author of "The Demonologist: The Extraordinary Careers of Ed & Lorraine Warren" and "The Devil in Connecticut"