by Alan Watts (Author)
From cave paintings to the 20th century, evidence exists for strange craft visiting the Earth. This scientifically-based survey of UFOs looks at the technology, physics and chemistry involved, from the original flying saucers of the 1940s to crop circles in the 1990s.
Format: Paperback
Pages: 200
Edition: Reprint
Publisher: Cassell Illustrated
Published: 16 Sep 1999
ISBN 10: 0713727985
ISBN 13: 9780713727982
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