Mystery of the ancients
Subtitle: early spacemen and the Mayas
By: Craig and Eric Umland.
Contributors: Umland, Eric, joint author.
Publisher: Walker
Published: 1974
Place of publication: New York
Language: eng
Number of pages: 186
Subjects: Mayas -- Antiquities.; Civilization, Ancient -- Extraterrestrial influences.; Mexico -- Antiquities.; Central America -- Antiquities.
Notes: Bibliography: p. 175-177.
Includes index.