More like Infinite Possibilities

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Starman JonesNovel
Robert A. Heinleinstandalone novel1953
Space opera, set in spaceship.
“Starman Jones, a 1953 science fiction novel by Robert A. Heinlein, features a farm boy who wants to go to the stars.”
from the catalogue
Tunnel in the SkyNovel
Robert A. Heinleinstandalone novel1955
Tense in tone.
“As the final test of a survivalist/explorer class, teenagers are dumped on an alien planet to use their skills while awaiting pickup.”
from the catalogue
Citizen of the GalaxyNovel
Robert A. Heinleinstandalone novel1957
Space opera, about identity.
“On a planet far distant from Earth, a lame beggar buys a young boy slave who has forgotten his origins.”
from the catalogue
Space WinnersNovel
Gordon R. Dicksonstandalone novel1965
Space opera, tense in tone, about aliens.
“Suddenly Jim Rawlins, Ellen Bouvier, Curt Harrington, and the squirrel-like Alien philosopher Peep were castaways, stranded on the Quarantined World of Quebahr - with no training, and little hope of rescue.”
from the catalogue
Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
Military science fiction, about war and aliens.
Space CadetNovel
Robert A. Heinleinstandalone novel1948
Military science fiction.