More like Tatja Grimm's World

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Citizen of the GalaxyNovel
Robert A. Heinleinstandalone novel1957
Space opera, set in space.
“On a planet far distant from Earth, a lame beggar buys a young boy slave who has forgotten his origins.”
from the catalogue
Known SpaceUniverse
universe142 books1964
About aliens, set in space.
“Give a clever species a few centuries and a working fusion drive, and it will fill the sky with problems.”
from the catalogue
Start with Ringworld →
includes Ringworld, Fleet of Worlds, Man-Kzin Wars
Tunnel in the SkyNovel
Robert A. Heinleinstandalone novel1955
Tense in tone, about survival.
“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
Starman JonesNovel
Robert A. Heinleinstandalone novel1953
Space opera, set in space and 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
Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
Military science fiction, about war, set in space.
The Colors of SpaceNovel
Marion Zimmer Bradleystandalone novel1963
Space opera, mysterious in tone, about aliens, set in space.
“The Lhari seem peaceful and friendly, but they go to some lengths to protect their monopoly on faster-than-light travel.”
from the catalogue