Science-fiction Books Without Predatory Age-Gap Relationships

The claw of the conciliator

The Passage

Among the Imposters (Shadow Children #2)

The Angel Experiment

The food of the gods and how it came to earth

The Path of Daggers

Green Mars

Mockingjay

Startide Rising

Mountain in the Sea

The Machine Stops

Ship Breaker

The Last Colony

John Dies at the End

The Calculating Stars

Artemis

A Swiftly Tilting Planet (Time Quintet #3)

The Sheep Look Up

When the Sleeper Awakes

A Desolation Called Peace

The Long Mars

2312

The 5th wave (The 5th Wave #1)

Darwin's radio