More like Barbarian Alien

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HeorotSeries
series4 books1987
About space colonization.
“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 →
Catteni SequenceSeries
series5 books1970
completed
Space opera, 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 →
The Dosadi ExperimentNovel
Frank Herbertstandalone novel1977
Space opera, tense in tone, about political intrigue.
“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
Humanx CommonwealthUniverse
universe39 books1972
Set in space.
“Two species that ought, by every buried instinct, to recoil from one another instead clasp hand to truhand and build a galaxy together.”
from the catalogue
Start with For Love of Mother-Not →
includes Icerigger Trilogy, Pip & Flinx, The Founding of the Commonwealth
Brion BranddSeries
series2 books1962
completed
Science fiction, about survival, set in far future and other star systems.
Start with Planet of the Damned →
Tunnel in the SkyNovel
Robert A. Heinleinstandalone novel1955
Tense in tone, about space exploration and coming of age.
“As the final test of a survivalist/explorer class, teenagers are dumped on an alien planet to use their skills while awaiting pickup.”
from the catalogue