More like Space: 1999

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Known SpaceUniverse
universe142 books1964
Set in other star systems.
“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
About coming of age, set in spaceship and other star systems.
“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
The Colors of SpaceNovel
Marion Zimmer Bradleystandalone novel1963
Mysterious in tone, set in other star systems.
“The Lhari seem peaceful and friendly, but they go to some lengths to protect their monopoly on faster-than-light travel.”
from the catalogue
HeecheeSeries
series19 books1972
completed
Set in other star systems.
“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 →
Space BeagleSeries
series5 books1939
completed
Tense in tone, set in spaceship.
Start with Black Destroyer →
Cosmic EngineersNovel
Clifford D. Simakstandalone novel1950
Science fiction and space opera, adventurous in tone, about aliens and space exploration, set in far future and space.