More like Cobra Traitor

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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
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)
BlackcollarSeries
series3 books1983
Set in our world.
“Timothy Zahn's Blackcollar trilogy, his debut work, follows survivors of Earth's underground resistance against the Ryqril, an alien empire that conquered the planet a generation earlier.”
from the catalogue
Start with The Blackcollar →
Catteni SequenceSeries
series5 books1970
completed
Space opera, about slavery and aliens.
“The Catteni series is a tetralogy of science fiction novels by American writer Anne McCaffrey.”
from the catalogue
Start with Freedom's Landing →
JanissariesSeries
series4 books1979
About political intrigue and slavery.
“Janissaries are an American series of military and political-based science fiction novels are set in an interstellar confederation of races, in which humans are a slave race entrusted with military affairs and law enforcement.”
from the catalogue
Start with Janissaries →
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