Cowley, Stewart
Alphabetical Checklist
- Aliens in Space: An Illustrated Guide to the Inhabited Galaxy (Maidenhead, Berkshire: Intercontinental Book Productions, 1979) as by Steven Caldwell
- Dangerous Frontiers: The Fight for Survival on Distant Worlds (Maidenhead, Berkshire: Intercontinental Book Productions, 1980) as by Steven Caldwell
- The Fantastic Planet: A World of Magic and Mystery (Maidenhead, Berkshire: Intercontinental Book Productions, 1980) as by Steven Caldwell
- The Frankenstein Diaries: Translated and Edited by the Rev Hubert Venables (London: Hutchinson, 1980)
- Local Space: A Guide to the TTA Universe (Morrigan Press, 2006) with others
- Settlers in Space: The Fight for Survival on Distant Worlds (New York: Crescent Books, 1980) as by Steven Caldwell
- Space Patrol: The Official Guide to the Galactic Security Force (Maidenhead, Berkshire: Intercontinental Book Productions, 1980) as by Steven Caldwell
- The Space Warriors (London: Dean and Son, 1980)
- Spacebase 2000 (London: Hamlyn, 1984)
- Spacecraft 2000 to 2100 AD (New York: Chartwell Books, 1978)
- Spacecraft 2100 to 2200 AD (Morrigan Press, 2006) with others
- Spacewreck: Ghostships and Derelicts of Space (London: Hamlyn, 1979)
- Star Quest: An Incredible Voyage into the Unknown (Maidenhead, Berkshire: Intercontinental Book Productions, 1979) as by Steven Caldwell
- Starliners: Commercial Spacetravel in 2200 AD (London: Hamlyn, 1980)
- Great Space Battles (New York: Chartwell Books, 1979) "with Charles Herridge"
- Worlds at War: An Illustrated Study of Interplanetary Conflict (Maidenhead, Berkshire: Intercontinental Book Productions, 1980) as by Steven Caldwell