More like The Erion Triad

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Known SpaceUniverse
universe142 books1964
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, Man-Kzin Wars, Fleet of Worlds
Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
Military science fiction, about war and coming of age, set in space.
The TalentsUniverse
universe18 books1959
About psychic powers.
“Somewhere a Prime holds a Tower, gathers the gestalt of a generator's power, and flings a starship — or a single frightened child — across the light-years between worlds.”
from the catalogue
Start with The Rowan →
includes Tower and the Hive, Talents (Anne McCaffrey)
CoDominiumUniverse
universe98 books1971
Military science fiction.
“The body of work runs along a few hard threads rather than one line.”
from the catalogue
Start with The Mote in God's Eye →
includes Moties, Falkenberg's Legion, War World, Laurie Jo Hansen
ForerunnerSeries
series5 books1960
completed
Science fiction, set in other star systems and far future.
“Under desperate circumstances, a beautiful young woman must team up with a star traveler in order to find the key to the start of civilization so that the future might be saved.”
from the catalogue
Start with Storm Over Warlock →
Starman JonesNovel
Robert A. Heinleinstandalone novel1953
Space opera, about space exploration, 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