More like Annihilation

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PolityUniverse
universe72 books1992
Space opera.
“The Quiet War is already over by the time you arrive.”
from the catalogue
Start with Shadow of the Scorpion →
includes Ian Cormac, Transformation, Rise of the Jain, Spatterjay, Time's Shadow
Fifth ImperiumSeries
series3 books1991
Space opera, about aliens.
“The three novels were later collected as the omnibus Empire from the Ashes.”
from the catalogue
Start with Mutineers' Moon →
Berserker (Fred Saberhagen)Series
series59 books1963
Space opera.
Start with Berserker →
Known SpaceUniverse
universe142 books1964
About aliens.
“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 Man-Kzin Wars, Ringworld, Fleet of Worlds
Old Man's WarSeries
series16 books2005
Space opera.
“Sign a document at 65, saying you intend to join up 10 years later.”
from the catalogue
Start with Old Man's War →
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, Ender's Shadow, First Formic War, Second Formic War, Fleet School