Ficção Científica
Exiles of the stars – Andre Norton
A brand new world – Ray Cummings
2001 a space odyssey – Arthur C. Clarke
When the star kings die – John Jakes
Thought-World – Terry Greenhough
The world in peril – Charles Chilton
The wandering worlds – Terry Greenhough
The unpleasant profession of Jonathan Hoag – Robert A. Heinlein
The unending night – George H. Smith
