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THE SCIENCE FICTION ARCHIVEExplore by theme ↗

Alien life

Encounters with life beyond our own world.

All books Space opera Time travel Artificial intelligence Alien life Cyberpunk Space exploration Dystopian worlds More themes +

3,900 books in alien life

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Balanced rating combines the average and the number of ratings; small samples carry less weight. How ranking works ↗

Space opera2001

Star Wars: The Force Awakens

Episode VII

Alan Dean Foster

3.6(5)Open Library rating out of 5

Space opera2014

Willful Child

Steven Erikson

3.6(5)Open Library rating out of 5

With the Lightnings

Hardcover Special Edition

David Drake

3.6(5)Open Library rating out of 5

Artificial intelligence2005

Brass Man

Neal L. Asher

3.8(15)Open Library rating out of 5

Sleeping giants

Sylvain Neuvel

3.9(35)Open Library rating out of 5

Adaptation

Malinda Lo

3.5(4)Open Library rating out of 5

Beyond the ice limit

a Gideon Crew novel

Douglas Preston; Lincoln Child

3.5(4)Open Library rating out of 5

Space opera1997

Derelict for Trade

Andre Norton; Sherwood Smith

3.5(4)Open Library rating out of 5

Inheritor

Foreigner 3 (Foreigner)

C. J. Cherryh

3.5(4)Open Library rating out of 5

Matriarch

Karen Traviss

3.5(4)Open Library rating out of 5

Mr. Granite is from another planet!

Dan Gutman

3.5(4)Open Library rating out of 5

Radiance

Catherynne M. Valente; Catherynne M. Valente; Heath Miller

3.5(4)Open Library rating out of 5

The Draco Tavern

Larry Niven

3.5(4)Open Library rating out of 5

The green book

Jill Paton Walsh

3.5(4)Open Library rating out of 5

The Dreaming Void

Peter F. Hamilton

3.8(24)Open Library rating out of 5

Prelude to Foundation

Isaac Asimov

3.8(13)Open Library rating out of 5

Space opera2011

Beautiful Friendship

David Weber; Khristine Hvam

3.3(3)Open Library rating out of 5

Berserker Man

Fred Saberhagen

3.3(3)Open Library rating out of 5

Space opera2009

Conspirator

Foreigner #10

C. J. Cherryh

3.3(3)Open Library rating out of 5

Count to a trillion

John C. Wright

3.3(3)Open Library rating out of 5

Deep space

Ian Douglas

3.3(3)Open Library rating out of 5

Defenders

Will McIntosh

3.3(3)Open Library rating out of 5

Space opera2012

Halo

Primordium

Greg Bear; Timothy Dadabo

3.3(3)Open Library rating out of 5

Planet of the damned

Harry Harrison

3.3(3)Open Library rating out of 5

Theme matches come from subjects on a work or its English editions, or a cited editorial review. Each book’s discovery notes show the evidence.