Beyond the Body: An investigation into out-of-body experiences

Published by Academy Chicago Publications
 1992 (with new postscript), paperback ISBN 0-89733-344-6

First published in 1982, London, Heinemann, ISBN 434 07470 5; and paperback 1983 London, Paladin, ISBN 0 586 08428 2  

“the definitive text on out-of-body experiences”

“by far the best work available on the subject”    See more Reviews

Also translated into Portuguese, (Editora Pensamento)