Davis, Frederick C
Chronological Checklist
Series – Operator #5
- Legions of the Death Master (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- The Army of the Dead (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- The Invisible Empire (San Diego, California: Corinth Books, 1966)
- Master of Broken Men (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- Hosts of the Flaming Death (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- Blood Reign of the Dictator (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- March of the Flame Marauders (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- Invasion of the Yellow Warlords (San Diego, California: Corinth Books, 1966), as by Curtis Steele
- Operator 5 #2: The Invisible Empire (New York: Freeway Press, 1974)
- Operator 5 #1: The Masked Invasion (New York: Freeway Press, 1974) as by Curtis Steele
- Operator 5 #3: The Yellow Scourge (New York: Freeway Press, 1974) as by Curtis Steele
- Cavern of the Damned (Oak Forest, Illinois: Dimedia/Pulp Press, 1980) as by Curtis Steele
- Legions of Starvation (Oak Forest, Illinois: Dimedia/Pulp Press, 1980) as by Curtis Steele
- Scourge of the Invisible Death (Oak Forest, Illinois: Dimedia/Pulp Press, 1980) as by Curtis Steele