num_pages: 116
description: The author claims that this book proves that there exists on the inside of the earth's crust, which is about 800 miles thick, a New World, and that Admiral Byrd's polar expeditions penetrated a total distance of 4,000 miles into this land beyond the North and South Poles, where there exist immense openings leading to the subterranean world in the hollow interior of the earth, home of a super race and super civilization, who are the creators of the flying saucers.
language: English
title: The Hollow Earth
titlecomplete: The Hollow Earth
genres: Nonfiction, Paranormal, Conspiracy Theories
ratings_count: 169
places: Hollow Earth
publisher: Health Research