More like Aether Spheres

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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
Known SpaceUniverse
universe142 books1964
About aliens.
“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 Man-Kzin Wars, Ringworld, Fleet of Worlds
DuneUniverse
universe78 books1963
About political intrigue.
“The desert planet, where empire runs on a single substance: the spice melange, which folds space, prolongs life, and unlocks prescience, and which exists nowhere else in the known universe.”
from the catalogue
Start with Dune →
includes Dune, Dune Sequels, Dune Prequels, Heroes of Dune, Background of the Dune Universe
UpliftUniverse
universe13 books1980
About uplift and aliens.
“No species, the Galactics insist, ever climbs to sapience alone.”
from the catalogue
Start with Sundiver →
includes Uplift, Uplift Storm
The TalentsUniverse
universe18 books1959
About psychic powers.
“Somewhere a Prime holds a Tower, gathers the gestalt of a generator's power, and flings a starship — or a single frightened child — across the light-years between worlds.”
from the catalogue
Start with The Rowan →
includes Tower and the Hive, Talents (Anne McCaffrey)
Ender's GameUniverse
universe39 books1977
Science fiction, set in far future.
“To beat your enemy you must first understand him so completely that you love him — and in the instant you love him, you destroy him.”
from the catalogue
Start with Ender's Game →
includes Ender Wiggin, Ender's Shadow, First Formic War, Second Formic War, Fleet School