Published by Amherst Press, it says "Volume One" but there is no sign a Volume Two was ever completed. This Is The Perfect Rare Book For The Discerning Reader: One Of The Strangest And Most Fascinating Factual Books You Will Ever Read
It is a hard cover big book - 8 1/2 by 11 inches, written in 1975, containing many color plates and art, including those of Shaver's famous rock paintings (a hidden record which it is said was literally written by the ancients in stone).
CAC has 12 copies available, that are new and have never left our shelves.
In the mid 1940s Ray Palmer was the editor of a science fiction pulp magazine titled AMAZING STORIES, and later on such publications as SEARCH, FLYING SAUCERS FROM OTHER WORLDS, MYSTIC. One day he received an unusual manuscript in the mail from a Pennsylvania iron worker named Richard Shaver, who claimed that he would hear voices coming from beneath the ground.
The Secret World are Palmer's and Shaver's thoughts on the Inner Earth and the Cavern Dwellers. This volume is a great resource for readers interested in the mysteries of the Inner Earth and those looking for historical material on these matters. It is best understood by those who have already read such books as SUBTERRANEAN WORLDS INSIDE EARTH by Timothy Beckley Available Here.