INVISIBLE DEATH. Garden City: Doubleday & Company, Inc., 1975. Octavo, boards. First edition. Crime fighter Prince Zarkon and the Omega men battle a master criminal, "The Grim Reaper." An homage to the fiction found in the superhero pulps and comics of the 1930s. Second Zarkon novel. A fine copy in fine dust jacket. (#73185).
First edition so stated on copyright page.