Subterranean Worlds: 100,000 Years of Dragons, Dwarfs, the Dead, Lost Races and Ufos from Inside the Earth

Acknowledged authors Kafton-Minkel, Walter wrote Subterranean Worlds: 100,000 Years of Dragons, Dwarfs, the Dead, Lost Races and Ufos from Inside the Earth comprising 306 pages back in 1989. Textbook and eTextbook are published under ISBN 1559500158 and 9781559500159. Since then Subterranean Worlds: 100,000 Years of Dragons, Dwarfs, the Dead, Lost Races and Ufos from Inside the Earth textbook was available to sell back to BooksRun online for the top buyback price or rent at the marketplace.

Probably the best book about the mythology connected with animals, other races, etc. living inside the hollow earth.