More like Choosing Sides

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DuneUniverse
universe78 books1963
Space opera, about political intrigue.
“The desert planet, where empire runs on a single substance: the spice melange, which folds space, prolongs life, and unlocks prescience, and which exists nowhere else in the known universe.”
from the catalogue
Start with Dune →
includes Dune, Dune Prequels, Heroes of Dune, Dune Sequels, Background of the Dune Universe
Forever WarSeries
series10 books1972
Set in space.
Start with Hero →
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
CoDominiumUniverse
universe98 books1971
Science fiction and military science fiction, set in other star systems and far future.
“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
Childe CycleSeries
series19 books1957
Science fiction and military science fiction, about war, set in other star systems and far future.
“The related short stories and novellas all center on the Dorsai, primarily members of the Graeme and Morgan families.”
from the catalogue
Start with Act of Creation →
ArmorNovel
John Steakleystandalone novel1984
About aliens and madness.