More like Balanced Ecology

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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, Heroes of Dune, Dune Prequels, Dune Sequels, Background of the Dune Universe
HeorotSeries
series4 books1987
Science fiction, about space colonization, set in other star systems and far future.
“Reproduction and fertility expert Dr Jack Cohen acted as a consultant on the book, designing the novel life cycle of the alien antagonists, the grendels.”
from the catalogue
Start with The Legacy of Heorot →
The OutposterNovel
Gordon R. Dicksonstandalone novel1972
Space opera, about class conflict, set in space.
“If your number came up, you joined the rest of the losers marked for exile from overcrowded Earth.”
from the catalogue
West of the SunNovel
Edgar Pangbornstandalone novel1953
Adventurous in tone.
“West of the Sun ... on the dangerous planet Lucifer.”
from the catalogue
Catteni SequenceSeries
series5 books1970
completed
Space opera, adventurous in tone, about slavery.
“The Catteni series is a tetralogy of science fiction novels by American writer Anne McCaffrey.”
from the catalogue
Start with Freedom's Landing →
Known SpaceUniverse
universe142 books1964
Set in 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, Fleet of Worlds, Ringworld