Thể loại sách nói : Science Fiction
Talents, Incorporated
Murray Leinster
British Barbarians
Grant Allen
Security
Poul William Anderson
Sky Is Falling
Lester del Rey
D-99
H. B. Fyfe
Planet Strappers
Raymond Z. Gallun
Short Science Fiction Collection 032
Various
Ultima Thule
Mack Reynolds
Short Science Fiction Collection 031
Various
Little Fuzzy
H. Beam Piper
Space Prison
Tom Godwin
Aliens
Murray Leinster