The Butcher of Anderson Station (An Expanse Novella)
James S. A. Corey
The Expanse (1.50)
The Calculating Stars
Mary Robinette Kowal
The Lady Astronaut (1)
The Ringworld Engineers
Larry Niven
Ringworld (2)
Foundation
Isaac Asimov
Foundation (8)
The demon-haunted world: science as a candle in the dark
Carl Sagan