The hollow earth
Subtitle: the greatest geographical discovery in history made by Admiral Richard E. Byrd in the mysterious land beyond the poles--the true origin of the flying saucers.
Edition: [Rev. ed.]
Publisher: Saucerian Books
Place of publication: Clarksburg, W. Va
Language: eng
Number of pages: 133
Subjects: Byrd, Richard Evelyn, -- 1888-1957.; Unidentified flying objects.; Earth -- Internal structure.