More like The Nitrogen Fix

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MesklinSeries
series6 books1954
completed
Adventurous in tone, about space exploration.
“The idea came from an object that was at the time believed to exist in the 61 Cygni system, and which might represent an extrasolar planet.”
from the catalogue
Start with Mission of Gravity →
Dragon's EggSeries
series3 books1980
completed
First contact, about space exploration.
Start with Dragon's Egg →
WheelersNovel
Ian Stewart & Jack Cohenstandalone novel2000
First contact, adventurous in tone, about space exploration, set in space.
Camelot 30KNovel
Robert L. Forwardstandalone novel1993
First contact, about space exploration.
“In Camelot 30K, Forward uses exotic low-temperature chemistry to explain the aliens' unique biology and anatomy.”
from the catalogue
HelliconiaSeries
series4 books1982
completed
Challenging and reflective in tone, about space colonization.
Start with Helliconia Spring →
The Black CloudNovel
Fred Hoylestandalone novel1957
Tense in tone, about survival, set in our world and mid 20th century.