8 Adult Sci-Fi Books That Grown-Up Readers Won't Be Able to Put Down

These books aren't just for adults, but older SF fans might love them the most. 

Ancillary Justice
Buy Aftermath at Amazon

Aftermath

By LeVar Burton

Buy Involution Ocean at Amazon

Involution Ocean

By Bruce Sterling

Buy Amnesiascope at Amazon

Amnesiascope

By Steve Erickson

a memory of empire

A Memory of Empire

By Arkady Martine

the sparrow

The Sparrow

By Mary Doria Russell

ancillary justice

Ancillary Justice

By Ann Leckie

books like Mass Effect becky chambers long way to a small angry planet

The Long Way to a Small, Angry Planet

By Becky Chambers

Buy Parable of the Sower at Amazon

Parable of the Sower

By Octavia E. Butler