Daybreak-2250 A.D., Ace G-717

Published by Ace, 1967; no ISBN; Ace G-717; 182 pages; 4.2 x 6.4 inches; paperback. Cover artist unknown.

Copyright 2007-2021 by Mike Grimm; cover images are copyrighted by their respective owners, are used here for illustrative purposes only, and are scans of my copies.