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

Revolt in 2100
Robert A. Heinlein

Dirk Gently’s Holistic Detective Agency
Douglas Adams

Gathering Blue
Lois Lowry

The Time Traveler's Wife
Audrey Niffenegger

Code to zero
Ken Follett

The Black Cloud
Fred Hoyle

The Brick Moon and Other Stories
Edward Everett Hale

George's Secret Key to the Universe
Stephen Hawking

Cryptonomicon
Neal Stephenson

The Midwich Cuckoos
John Wyndham

I Will Fear No Evil
Robert A. Heinlein

L' Êve future
Auguste comte de Villiers de L'Isle-Adam

The fountains of paradise
Arthur C. Clarke

Flow my tears, the policeman said
Philip K. Dick

Heretics of Dune
Frank Herbert

And Another Thing…
Eoin Colfer

Uglies
Scott Westerfeld

Mouse the Roared
Leonard Wibberley

The Long Dark Tea-Time of the Soul
Douglas Adams

Star Wars - Thrawn Trilogy - Heir to the Empire
Timothy Zahn