Mahr, Kurt
Alphabetical Checklist
- Action: Division 3 (New York: Ace Books, 1976)
- The Ambassadors from Aurigel (New York: Ace Books, 1975)
- The Atom Hell of Grautier (New York: Ace Books, 1975)
- The Beasts Below (Van Nuys, California: Master Publications, 1979)
- Between the Galaxies (Van Nuys, California: Master Publications, 1978)
- Beware the Microbots (New York: Ace Books, 1973)
- The Blue Dwarfs (New York: Ace Books, 1974)
- Caves of the Druufs (New York: Ace Books, 1975)
- Checkmate: Universe (New York: Ace Books, 1975)
- Death Waits in Semispace (New York: Ace Books, 1975)
- Death's Demand (New York: Ace Books, 1977)
- Desert of Death's Domain (New York: Ace Books, 1976)
- Dimension Search (New York: Ace Books, 1974)
- Enemy in the Dark (New York: Ace Books, 1975)
- The Fleet of the Springers (New York: Ace Books, 1972)
- The Fleet of the Springers (New York: Ace Books, 1972)
- Fortress in Time (Van Nuys, California: Master Publications, 1978)
- Galactic Alarm (New York: Ace Books, 1969)
- The Ghosts of Gol (New York: Ace Books, 1971) with K H Scheer
- The Guardians (New York: Ace Books, 1974)
- The Idol from Passa (New York: Ace Books, 1976)
- Invasion from Space (New York: Ace Books, 1970) with Walter Ernsting
- Menace of Atomigeddon (New York: Ace Books, 1977)
- The Menace of the Mutant Master (New York: Ace Books, 1972)
- Peril on Ice Planet (New York: Ace Books, 1973)
- Planet of the Gods (New York: Ace Books, 1973)
- The Planets of the Dying Sun (New York: Ace Books, 1972) with K-H Scheer
- The Plasma Monster (New York: Ace Books, 1976)
- Renegades of the Future (New York: Ace Books, 1975)
- Return from the Void (New York: Ace Books, 1974)
- Sgt. Robot (New York: Ace Books, 1977)
- The Silence of Gom (New York: Ace Books, 1974)
- Solar Assassins (New York: Ace Books, 1974)
- Station of the Invisible (Van Nuys, California: Master Publications, 1979)
- To Arkon! (New York: Ace Books, 1973)
- Unknown Sector: Milky Way (New York: Ace Books, 1974)
- The Vega Sector (New York: Ace Books, 1970) with K-H Scheer
- Venus in Danger (New York: Ace Books, 1972)
- The Venus Trap (New York: Ace Books, 1974)
- Wonderflower of Utik (New York: Ace Books, 1976)