More like The Ultimatum

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Ender's GameUniverse
universe39 books1977
Science fiction, set in far future.
“To beat your enemy you must first understand him so completely that you love him — and in the instant you love him, you destroy him.”
from the catalogue
Start with Ender's Game →
includes Ender Wiggin, First Formic War, Second Formic War, Ender's Shadow, Fleet School
Known SpaceUniverse
universe142 books1964
Science fiction, about aliens, set in far future and 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, Man-Kzin Wars, Fleet of Worlds
HainishSeries
series33 books1964
completed
Reflective in tone.
“The Hainish Cycle consists of a number of science fiction novels and stories by Ursula K. Le Guin.”
from the catalogue
Start with Rocannon's World →
Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
Military science fiction, about war and coming of age.
YargoNovel
Jacqueline Susannstandalone novel1979
Science fiction and romance, adventurous in tone, about aliens, set in far future and other star systems.
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