Science-fiction Books Without Predatory Age-Gap Relationships

The Weird

Children of Dune

So long, and thanks for all the fish

Pretties

The City of Ember (The First Book of Ember)

Ancillary Sword

Mona Lisa Overdrive

The Naked Sun

Dune Messiah

Use of Weapons

La planète des singes

Dragonflight

Ancillary Justice

The Uplift War

Endymion

Burning Chrome

The Dreaming Void

The Speed of Dark

Artemis Fowl and the Arctic Incident

Breakfast of Champions

Four

The Bachman Books (Long Walk / Rage / Roadwork / Running Man)

Y The Last Man - Deluxe Edition, Book 1

The claw of the conciliator