More like Sister Planet

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A Columbus of SpaceNovel
Garrett P. Servissstandalone novel1911
Adventure, about space exploration, set in early 20th century and space.
“The year was 1909 and Garrett Putnam Serviss was already a respected science writer for the Hearst newspaper group.”
from the catalogue
CavorSeries
series2 books1901
About space exploration, 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
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, Man-Kzin Wars, Fleet of Worlds
Red PlanetNovel
Robert A. Heinleinstandalone novel1949
About space colonization and coming of age, set in mars and far future.
“A boy colonist on Mars takes his bouncing ball Martian pet with him to boarding school, but the new Headmaster is a controlling tyrant.”
from the catalogue
The Sands of MarsNovel
Arthur C. Clarkestandalone novel1951
Hard science fiction, about space exploration and space colonization, set in mars.
Humanx CommonwealthUniverse
universe39 books1972
Set in far future and other star systems.
“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 Pip & Flinx, Icerigger Trilogy, The Founding of the Commonwealth