More like Circumpolar!

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CavorSeries
series2 books1901
About aliens, set in the moon and early 20th century.
“H. G. Wells's 1901 novel The First Men in the Moon is narrated by the businessman Bedford, who joins the reclusive scientist Cavor after Cavor invents cavorite, a gravity-blocking substance that carries the two men to the Moon.”
from the catalogue
Start with The First Men in the Moon →
Known SpaceUniverse
universe142 books1964
About aliens, set in far future and 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, Fleet of Worlds, Man-Kzin Wars
Starman JonesNovel
Robert A. Heinleinstandalone novel1953
Space opera, set in space and far future.
“Starman Jones, a 1953 science fiction novel by Robert A. Heinlein, features a farm boy who wants to go to the stars.”
from the catalogue
Islands in the SkyNovel
Arthur C. Clarkestandalone novel1952
About space colonization, set in near future and space.
“Clarke wrote the story as a travelogue of human settlement of cislunar space in the last half of the twenty-first century.”
from the catalogue
Time for the StarsNovel
Robert A. Heinleinstandalone novel1956
Hard science fiction, about psychic powers, set in space.
“Explorer spaceships need a way to communicate back to earth in a timely manner when they are light years away.”
from the catalogue
The Sands of MarsNovel
Arthur C. Clarkestandalone novel1951
Hard science fiction, about terraforming and space colonization, set in mars.