Blighted Star
Tom Parkinson
City of Darkness
Ben Bova
On the Run
Lorena McCourtney
Ivy Malone Mysteries (3)
Two Roads
L. M. Augustine
Have Space Suit—Will Travel
Robert A. Heinlein
Heinlein Juveniles (12)
Citizen of the Galaxy
Heinlein Juveniles (11)
Time for the Stars
Heinlein Juveniles (10)
Tunnel in the Sky
Heinlein Juveniles (9)
Starman Jones
Heinlein Juveniles (7)
The Rolling Stones
Heinlein Juveniles (6)
Between Planets
Heinlein Juveniles (5)
Farmer in the Sky
Heinlein Juveniles (4)
Space Cadet
Heinlein Juveniles (2)