More like Relentless

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DuneUniverse
universe78 books1963
Science fiction and space opera, about political intrigue, set in far future and other star systems.
“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, Heroes of Dune, Dune Prequels, Dune Sequels, Background of the Dune Universe
Federation (Lauren Dane)Series
series2 books2008
Science fiction and romance, emotional and tense in tone, about enemies to lovers, set in other star systems and far future.
“Now she must obey the one man she can't stand—and can't stop thinking about.With the enemy Imperialists gaining ground, a covert team is assembled by Ash Walker.”
from the catalogue
Start with Undercover →
VorkosiganUniverse
universe27 books1986
Science fiction and space opera, set in far future and other star systems.
“Beyond his backwater lies the wormhole nexus: a scatter of human worlds strung along unstable jump-routes, where a blood-and-honor warrior aristocracy, a coolly egalitarian utopia, and a hundred lesser polities trade, spy, and go to war.”
from the catalogue
Start with Shards of Honor →
includes Cordelia Vorkosigan, Miles Vorkosigan, Quaddies
FoundationUniverse
universe123 books1940
About robots.
“There is a science that reads the future of quadrillions the way an astronomer reads the orbits of stars.”
from the catalogue
Start with Foundation →
includes Trantorian Empire, Foundation, The Collected Fiction of Isaac Asimov, Second Foundation Trilogy, The Positronic Robot Stories, Foundation (Original Stories)
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
The Dosadi ExperimentNovel
Frank Herbertstandalone novel1977
About aliens and survival.
“Dosadi is rumored to be an experimental planet, and the experimenters are the froglike Gowachin, whose culture is founded upon a strange legal system in which McKie is the only human ever trained.”
from the catalogue