More like Grimm's World

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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
Starman JonesNovel
Robert A. Heinleinstandalone novel1953
Space opera, about coming of age, set in space.
“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, about survival and coming of age.
“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
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
MesklinSeries
series6 books1954
completed
Hard science fiction, about aliens.
“The idea came from an object that was at the time believed to exist in the 61 Cygni system, and which might represent an extrasolar planet.”
from the catalogue
Start with Mission of Gravity →
HeecheeSeries
series19 books1972
completed
Space opera, about aliens, set in space.
“The Heechee are an advanced alien race that visited the Solar System hundreds of millennia ago and then mysteriously disappeared.”
from the catalogue
Start with Gateway →