Secret doors of the earth

By Jacques Bergier

Book Overview

How many worlds exist within the earth we see every day? Though there are many mysteries we cannot even imagine, the scientific discoveries and inventions of recent decades-along with myth, folklore,... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0809282089
• ISBN13: 9780809282081
• Release Date: January 1975
• Publisher: Regnery Publishing
• Length: 159 Pages
• Weight: 0.76 lbs.