Tips, Tools, and Techniques for Exploring the Supernatural World . All you need to track and record paranormal activity. With expert advice and everything from picking a haunted location to setting up cameras and dealing with unwieldy ghosts, this book shows how today's investigators use the tools of modern science to study a wide range of paranormal activity. Melissa Martin Ellis, 2014 Paperback, Like New 320 pages 478g 23.5 x 20.3 x 2 cm