First published in 1959, this is Ace #75831 published in 1972; 125 pages; 4.25 x 7.0 inches; mass market paperback. The cover artist is not known.
Secret of the Lost Race, US, 1972 pb
Andre Norton Books
My Personal Collection.
Copyright 2007-2026 by Mike Grimm; cover images are copyrighted by their respective owners, are used here for illustrative purposes only, and are scans of my copies.