Titles by Lester del Rey marked with tag: juvenile sf
- 1966 - Rocket from Infinity with Paul W. Fairman
- 1966 - The Infinite Worlds of Maybe with Paul W. Fairman
- 1966 - Tunnel Through Time with Paul W. Fairman
- 1961 - Moon of Mutiny
- 1956 - Mission to the Moon
- 1954 - Step to the Stars
- 1953 - Attack from Atlantis
- 1953 - The Mysterious Planet
- 1952 - Marooned on Mars
- 1940 - The Smallest God