Books in Science Fiction (sorted alphabetically)
- Honeymoon in Space George Chetwynd Griffith
- Hoofer Walter M. Miller
- Hot Planet Hal Clement
- Houlihan's Equation Walter J. Sheldon
- Hour of Battle Robert Sheckley
- Hour of the Dragon Robert E. Howard
- House on the Borderland William Hope Hodgson
- How to Make Friends Jim Harmon
- Hunted Heroes Robert Silverberg
- Hunter Patrol John J. McGuire and H. Beam Piper
- Hunters Joseph Samachson
- Hunt the Hunter Kris Neville
- Husband for My Wife William W. Stuart
- Hyborian Age Robert E. Howard
- I Am a Nucleus Stephen Barr
- Ideal Stanley G. Weinbaum
- If You Was a Moklin Murray Leinster
- Ignoble Savages Evelyn E. Smith
- île mystérieuse (French) Jules Verne
- I Like Martian Music Charles E. Fritch
- I'll Kill You Tomorrow Helen Huber
- Image of the Gods Alan Edward Nourse
- I'm a Stranger Here Myself Mack Reynolds
- Imitation of Earth James Stamers
- Immortals David Duncan