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

The Rolling Stones
Robert A. Heinlein

Pegasus in Space
Anne McCaffrey

Crystal Singer
Anne McCaffrey

The Long War
Terry Pratchett

Trouble with Lichen
John Wyndham

The master mind of Mars
Edgar Rice Burroughs

Touching Darkness
Scott Westerfeld

The Voyage of the Space Beagle
A. E. van Vogt

The Zero Stone
Andre Norton

Lucky Starr and the Moons of Jupiter
Isaac Asimov

The jewels of Aptor
Samuel R. Delany

The Eye of the Heron
Ursula K. Le Guin

Spook Country
William Gibson

Winter
Marissa Meyer

To Say Nothing of the Dog
Connie Willis

Rama II
Arthur C. Clarke

Prodigy
Marie Lu

Darwin's children
Greg Bear

American War
Omar El Akkad

Dancer of Gor
John Norman