1933; first appeared in Western Action Novels, March 1937. Mexican Trail (as Will F. Jenkins), A. L. Burt, 1933. Outlaw Sheriff (as Will F. Jenkins), King, 1934. Fighting Horse Valley (as Will F. Jenkins), King, 1934. Kid Deputy (as Will F. Jenkins), Alfred H. King, 1935; first serialized in Triple-X Western, February - April 1928. Black Sheep (as Will F. Jenkins), Julian Messer, 1936. Guns for Achin (as Will F. Jenkins), Wright & Brown, 1936; first appeared in Smashing Novels, November 1936. Wanted Dead or Alive!, Quarter Books, 1949; first serialized in Triple-X Magazine, February - May 1929. Outlaw Guns, Star Books, 1950. Son of the Flying 'Y' (as Will F. Jenkins), Fawcett, 1951. Cattle Rustlers (as Will F. Jenkins), Ward Lock, 1952. Dallas (as Will F. Jenkins), Fawcett, 1950. Novelization of screenplay by John Twist. Story collections The Last Space Ship, Fell, 1949. "The Boomerang Circuit", Thrilling Wonder, June 1947 "The Disciplinary Circuit", Thrilling Wonder, Winter 1946 "The Manless Worlds", Thrilling Wonder, February 1947 Sidewise in Time, Shasta Publishers, 1950. "Sidewise in Time", Astounding, June 1934 "Proxima Centauri", Astounding, March 1935 "A Logic Named Joe" (as Will F. Jenkins), Astounding, March 1946 "De Profundis", Thrilling Wonder, Winter 1945 "The Fourth-Dimensional Demonstrator", Astounding, December 1935 "Power", Astounding, September 1945 The Forgotten Planet, Gnome Press, 1954. "The Mad Planet", Argosy, June 12, 1920 "The Red Dust", Argosy All-Story Weekly, April 2, 1921 "Nightmare Planet", Science Fiction Plus, June 12, 1952 Colonial Survey, Gnome Press, 1957 (also known as The Planet Explorer). "Solar Constant", Astounding, July 1956 as "Critical Difference" "Sand Doom", Astounding, December 1955 "Combat Team", Astounding, March 1956 as "Exploration Team" "The Swamp Was Upside Down", Astounding, September 1956 Out of This World, Avalon, 1958. "The Deadly Dust" (as William Fitzgerald), Thrilling Wonder, August 1947 "The Gregory Circle" (as William Fitzgerald), Thrilling Wonder, April 1947 "The Nameless Something" (as William Fitzgerald), Thrilling Wonder, June 1947 Monsters and Such, Avon, 1959. "The Castaway", Argosy, September 1946 "De Profundis", Thrilling Wonder, Winter 1945 "If You Was a Moklin", Galaxy, September 1951 "The Lonely Planet", Thrilling Wonder, December 1949 "Nobody Saw the Ship", Future, May–June 1950 "Proxima Centauri", Astounding, March 1935 "The Trans-Human", Science Fiction Plus, December 1953 Twists in Time, Avon, 1960. "Rogue Star", first publication "Dear Charles", Fantastic, May 1953 "Dead City", Thrilling Wonder, Summer 1946 as "Malignant Marauder" "Sam, This Is You", Galaxy, May 1955 "The Other Now", Galaxy, March