More like Forever War

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Old Man's WarSeries
series16 books2005
Science fiction and military science fiction, adventurous in tone, about war, set in far future and space.
“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's Shadow, Ender Wiggin, First Formic War, Second Formic War, Fleet School
Known SpaceUniverse
universe142 books1964
Science fiction, about aliens, set in far future and 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 Man-Kzin Wars, Ringworld, Fleet of Worlds
Sun EaterSeries
series36 books2018
Science fiction and space opera, dark in tone, about war, set in far future.
“The galaxy remembers him as a hero: the man who burned every last alien Cielcin from the sky.”
from the catalogue
Start with Empire of Silence →
Nicholas SeafortSeries
series7 books1994
completed
Science fiction and military science fiction, tense in tone, about war, set in far future and space.
“Additionally, Children of Hope is narrated by Randy Carr, the son of a close friend of Seafort.”
from the catalogue
Start with Midshipman's Hope →
Berserker (Fred Saberhagen)Series
series59 books1963
About artificial intelligence.
Start with Berserker →