Books about Science fiction (sorted alphabetically)
- Chicken Farm Ross Rocklynne
- Child of the Sun Leigh Brackett
- Children of the Chronotron S. J. Byrne
- Children of the lens E. E. Smith
- Chimera World Wilbur S. Peacock
- Choice of Miracles James A. Cox
- Cinderella Story Allen Kim Lang
- Cinq Cents Millions De La Bégum (French) Jules Verne
- Cinq Semaines En Ballon (French) Jules Verne
- Circle of Confusion George O. Smith
- Circle of Flight Richard Stockham
- Circus Alan Edward Nourse
- Citadel Algis Budrys
- Citadel of Death Carl Selwyn
- Citadel of Lost Ships Leigh Brackett
- Citadel of the Green Death Robert Emmett McDowell
- Citadel of the Star Lords Edmond Hamilton
- Cities in the air Edmond Hamilton
- Citizen Jell Michael Shaara
- City in the Clouds Guy Thorne
- City Near Centaurus William R. Doede
- City of Endless Night Milo Hastings
- City of the Living Flame Henry Hasse
- Classified object John Victor Peterson
- Clean and Wholesome Land Ralph Sholto