More like Initiation to War

anchored on:science fictionmilitary science fictionfar futureother star systems

but

Narrow

Starship TroopersNovel
Robert A. Heinleinstandalone novel1959
About coming of age and aliens.
Forever WarSeries
series10 books1972
Science fiction and military science fiction, set in far future and space.
Start with Hero →
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
Space opera, 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 Prequels, Dune Sequels, Heroes of Dune, Background of the Dune Universe
Old Man's WarSeries
series16 books2005
Space opera.
“Sign a document at 65, saying you intend to join up 10 years later.”
from the catalogue
Start with Old Man's War →
BattleTechUniverse
universe483 books1986
Science fiction and military science fiction, set in far future and other star systems.
“The Star League is a thousand years dead, and its heirs have spent the centuries since burning down what it left them.”
from the catalogue
Start with Way of the Clans →
includes MechWarrior, BattleTech Readouts