This translation originally published: New York : Walker ; London : Souvenir Press, 1973. - Translation of: 'Le Livre des mondes oubliés'. Paris : Laffont, 1971.
Includes index.
Lost worlds : scientific secrets of the ancients by Robert Charroux. ISBN 0006134351. Published by Fontana in 1974. Publication and catalogue information, links to buy online and reader comments.