More like The Choice

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The Gods ThemselvesNovel
Isaac Asimovstandalone novel1972
Hard science fiction, set in parallel universe and the moon.
Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
Military science fiction, about war and coming of age, set in space.
EmbassytownNovel
China Miévillestandalone novel2011
About space colonization and identity, set in space.
“In the far future, humans have colonized a distant planet, home to the enigmatic Ariekei, sentient beings famed for a language unique in the universe, one that only a few altered human ambassadors can speak.”
from the catalogue
Stranger in a Strange LandNovel
Robert A. Heinleinstandalone novel1961
About faith and religion and psychic powers, set in north america and near future.
The AlgebraistNovel
Iain M. Banksstandalone novel2004
Space opera, adventurous in tone, about political intrigue, set in space.
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