Major Operation ~ James White ~ 1981 Del Rey PB 3PR

The Eleventh Commandment By Lester Del Rey 1981 3rd Printing

Riddle of the Seven Realms ~ Lyndon Hardy ~ 1988 Del Rey Fantasy PB 3PR

The Land Of Oz, Ozama Of Oz (Oz #2,3) L. Frank Baum PB Del Rey (1981)

Lester del Rey "The Eleventh Commandment" 1981 Science Fiction

The Eleventh Commandment by Lester Del Rey

DAY OF THE GIANTS by Lester Del Rey 1964 Airmont FIRST PRINTING PB