The Lost City
Harold Leland Goodwin & Peter J. Harkins
Rick Brant Science Adventure (2)
The Rocket's Shadow
Rick Brant Science Adventure (1)
Space Cadet
Robert A. Heinlein
Red Planet
Lucky Starr and the Pirates of the Asteroids
Isaac Asimov
Lucky Starr (2)
Lucky Starr and the Oceans of Venus
Lucky Starr (3)
Lucky Starr and the Big Sun of Mercury
Lucky Starr (4)
Lucky Starr and the Moons of Jupiter
Lucky Starr (5)
Lucky Starr and the Rings of Saturn
Lucky Starr (6)
Stairway to Danger
Harold Leland Goodwin
Rick Brant Science Adventure (9)
The Forgotten Star
Joseph Greene
Dig Allen (1)
The Star Beast
Time for the Stars
Farmer in the Sky
Tunnel in the Sky
Citizen of the Galaxy
Starship Troopers
The Rolling Stones
Have Space Suit - Will Travel
Have Space Suit (1)
Orphans of the Sky
Future History (1)