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

Buy A Memory of Empire at Amazon

A Memory of Empire

By Arkady Martine

Buy The Sparrow at Amazon

The Sparrow

By Mary Doria Russell

Buy Ancillary Justice at Amazon

Ancillary Justice

By Ann Leckie

Buy The Long Way to a Small, Angry Planet at Amazon

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