Published by Comet Books, 1949
Seller: Clarkean Books, Stoney Creek, ON, Canada
Soft cover. Condition: Very Good Plus. Richard Powers (covers - Silver and Wolf; interior - White Men); Pers Crowell (interior - Silver); Jacob Landau (interior - Wolf) (illustrator). Sharp trio of Comet 1949 reprints with early Powers art. All three are in Very Good to Very Good Plus condition. Attractive editions.