The Calculating Stars
Mary Robinette Kowal
The Lady Astronaut (1)
Ancillary Sword (Imperial Radch Book 2)
Ann Leckie
Imperial Radch (2)
The Naked Sun
Isaac Asimov
Foundation (3)
Chains of Command (Frontlines Book 4)
Marko Kloos
Frontlines (4)
Slaughterhouse-Five
Kurt Vonnegut