This is a vintage original hardback edition second printing 1989 of MYSTERIES OF THE UNKNOWN: MIND OVER MATTER. Published in 1988 by Time-Life Books, this book deals predominantly with people who possess abilities considered abnormal, though not necessarily supernatural. Discusses hypnosis, poltergeists, levitation and Uri Geller. This 9.25 x 11.25 in. hardback book consists of 144 pages with great black-and-white and full-color photographs and illustrations. It is in "Like New" condition with some small areas of rubbing on the artwork. Mysteries of the Unknown is a 33-volume series of books about the paranormal, published by Time-Life Books from 1987 through 1991. Each book focused on a different topic, such as ghosts, UFOs, psychic powers, and dreams. The series was very successful for Time-Life Books, and the idea was conceived following the popularity of the publisher's previous Enchanted World series of books. However, unlike the definite supernatural orientation of The Enchanted World series, the Mysteries Of The Unknown series did all it could to keep its subject matter as grounded in scientific aspects as was possible for the subject. Within 15 months of the series' release, it had broken every sales record for the company.