More like The Aliens

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Alliance-UnionUniverse
universe173 books1976
Science fiction, set in far future.
“Around that spine cluster the merchanter novels of trader Families, the Faded Sun trilogy of human envoys among the martial alien Mri, and the Chanur books, narrated from the hierarchical, whiskered viewpoint of the hani.”
from the catalogue
Start with Heavy Time →
includes Chanur, Mri Wars, Hanan Rebellion, Era of Rapprochement, Age of Exploration, The Hinder Stars, Unionside, Company Wars
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
ConquerorsSeries
series3 books1994
Military science fiction, about war and political intrigue, set in space.
“Zahn alternates perspective between the human and alien chains of command, using the shifting viewpoints to slowly unpick why the conflict started in the first place.”
from the catalogue
Start with Conquerors' Pride →
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 Ringworld, Man-Kzin Wars, Fleet of Worlds
Slow Train to ArcturusNovel
Eric Flint & Dave Freerstandalone novel2008
Space opera, about survival, set in spaceship and space.
HeecheeSeries
series19 books1972
completed
Space opera, about space exploration, set in space.
“The Heechee are an advanced alien race that visited the Solar System hundreds of millennia ago and then mysteriously disappeared.”
from the catalogue
Start with Gateway →