Each book in this series explores a different aspect of the unexplained, tracing both past and present evidence and outlining the theories that seek to make sense of the unknown.'

 

This book features in the following series: Snapping Turtle Guides-The Unexplained, The Unexplained .

There are 32 pages in this book. This book was published 1999 by Octopus Publishing Group .

Bill Tudor Gunston is the author of numerous books, including "Aviation: The Fist 100 Years" and "The Encyclopedia of Modern War. " He is a former Royal Air Force pilot and is an Officer of the Order of the British Empire, Fellow of Royal Aeronautical Society. John Guy has written numerous books on historical subjects. He studied medieval and Tudor history and is a leading authority on castles.