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Mysteries of the Unknown
Cosmic Duality
Mysteries of the Unknown is a 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. Within 15 months of the series' release, it had broken every sales record for the company From Wikipedia, the free encyclopedia
144 pages, Hardcover
First published January 1, 1991
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