Open Library
Sci-Fi
The future, written before it arrives.
20,967 books

The deathworms of Kratos
Edmund Cooper

Bridge of Ashes
Roger Zelazny

First Collier (Guardians Of Ga'hoole)
Kathryn Lasky

The Mary Jane Mission
Daniel Wyatt

The Exiles Trilogy
Ben Bova

The kinsman saga
Ben Bova

A dragon's ascension
Ed Greenwood

The Water Wars
Cameron Stracher

The Heroic Misadventures of Hiccup the Viking
Cressida Cowell

The Secret of Sigma Seven
Franklin W. Dixon

After the Downfall
Harry Turtledove

Generation A
Douglas Coupland

Farthest star
Frederik Pohl

Time Train
Paul Fleischman

The Cyborg from earth
Charles Sheffield

With a Little Help
Cory Doctorow

Day of the assassins
Johnny O'Brien

Hereafter
Tara Hudson

Twinkle, twinkle little star
Ben Barzman

Fleet of worlds
Larry Niven