The Mysteries of the Unknown Time-Life Book Set consists of 20 hardcover books published by Time Life Books in 1991. Written in English, these books explore mysterious phenomena and topics of the unknown, providing readers with a journey into the unexplained aspects of our world. Perfect for collectors or those interested in the mysteries of the unknown, this set offers a comprehensive look into a variety of intriguing subjects that are sure to captivate and fascinate. With the authoritative authorship and high-quality binding, this book set is a valuable addition to any library. Master Index and illustrated symbols volume included.
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