Thể loại sách nói : Science Fiction
Door in the Wall, and Other Stories
H. G. Wells
People Minus X
Raymond Z. Gallun
Operation Interstellar
George O. Smith
Short Science Fiction Collection 054
Various
Revolutions of Time
Jonathan Dunn
Wailing Asteroid
Murray Leinster
Sabotage in Space
Carey Rockwell
Voyage to the Moon
Cyrano de Bergerac
Secret Power
Marie Corelli
Raiders of the Universes
Donald Wandrei
Tedric
E. E. Smith
Astounding Stories 16, April 1931
Ray Cummings, Sewell Peaslee Wright, Paul Ernst, Jack Williamson, Edmond Hamilton, Tom Curry, Anthony Gilmore