More like At the Seventh Level

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DuneUniverse
universe78 books1963
Space opera.
“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
The Dosadi ExperimentNovel
Frank Herbertstandalone novel1977
Space opera, 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
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
JanissariesSeries
series4 books1979
Military science fiction, adventurous in tone, about war 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 →
TritonNovel
Samuel R. Delanystandalone novel1976
Challenging and reflective in tone, about identity.
Worldburner SuiteSeries
series2 books2016
Science fiction, tense in tone, about political intrigue, set in other star systems and far future.
“When security expert Asher Perez is sent to find him, dark secrets about the rebel colony are exposed.”
from the catalogue
Start with Under a Dark Sky →