Hidden World

By Stanton A. Coblentz

Book Overview

Beneath the Earth's surface, an astonishing civilization thrives in secret. When a group of explorers discovers this lost world, they struggle to understand its strange technology and customs. But as... This description may be from another edition of this product.

• Format: Mass Market Paperback
• Language: English
• ISBN: B002LS06EY
• Release Date: January 1964
• Publisher: Airmont Publishing
• Weight: 0.15 lbs.