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.
- ISBN10 0713727985
- ISBN13 9780713727982
- Publish Date 16 September 1999
- Publish Status Out of Print
- Out of Print 8 March 2007
- Publish Country GB
- Publisher Octopus Publishing Group
- Imprint Cassell Illustrated
- Format Paperback (B-Format (198x129 mm))
- Pages 200
- Language English