More like In the Abyss

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CavorSeries
series2 books1901
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, Fleet of Worlds, Man-Kzin Wars
Attack from AtlantisNovel
Lester del Reystandalone novel1953
Set in mid 20th century.
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
Across a Billion YearsNovel
Robert Silverbergstandalone novel1969
Set in other star systems and far future.
The Lotus CavesNovel
John Christopherstandalone novel1969
Mysterious in tone, set in the moon and near future.
“Two boys living in a moon colony find an unrestricted buggy, allowing them to travel beyond their usual boundary.”
from the catalogue