More like The Shield

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Old Man's WarSeries
series16 books2005
Science fiction and military science fiction, adventurous in tone, about war, set in far future and space.
“Sign a document at 65, saying you intend to join up 10 years later.”
from the catalogue
Start with Old Man's War →
Alliance-UnionUniverse
universe173 books1976
Science fiction, set in far future.
“Around that spine cluster the merchanter novels of trader Families, the Faded Sun trilogy of human envoys among the martial alien Mri, and the Chanur books, narrated from the hierarchical, whiskered viewpoint of the hani.”
from the catalogue
Start with Heavy Time →
includes Company Wars, Chanur, The Hinder Stars, Mri Wars, Unionside, Hanan Rebellion, Era of Rapprochement, Age of Exploration
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, Fleet of Worlds, Ringworld
The Lost FleetUniverse
universe27 books2006
Science fiction and space opera, set in far future and space.
“A war a hundred years old has forgotten how to fight it.”
from the catalogue
Start with Dauntless →
includes The Genesis Fleet, The Lost Stars, Beyond the Frontier, Outlands (The Lost Fleet)
DuneUniverse
universe78 books1963
Science fiction and space opera, about political intrigue, set in far future and other star systems.
“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 Prequels, Dune Sequels, Heroes of Dune, Background of the Dune Universe
Fallen DragonNovel
Peter F. Hamiltonstandalone novel2001
Science fiction and space opera, adventurous in tone, about space colonization, set in far future and space.