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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 +

3,897 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 ↗

Jamie Drake Equation

Christopher Edge

5.0(1)Open Library rating out of 5

Jason and the aliens down the street

Gery Greer

5.0(1)Open Library rating out of 5

Jupiter Project

Gregory Benford

5.0(1)Open Library rating out of 5

K-Pax III

The Worlds of Prot (K-Pax)

Gene Brewer

5.0(1)Open Library rating out of 5

Lilo & Stitch.

Michael Stewart

5.0(1)Open Library rating out of 5

Longshot

Avery Blake; Johnny B. Truant

5.0(1)Open Library rating out of 5

Lost and Found (Remnants, #10)

Katherine Applegate

5.0(1)Open Library rating out of 5

Lost Souls

David Alan Mack

5.0(1)Open Library rating out of 5

Time travel2012

Madeline L'Engle's A Wrinkle in Time-The Graphic Novel

Hope Larson

5.0(1)Open Library rating out of 5

Maelstrom (The Twins of Petaybee, Book 2)

Elizabeth Ann Scarborough; Anne McCaffrey

5.0(1)Open Library rating out of 5

March to the stars

John Ringo; David Weber

5.0(1)Open Library rating out of 5

Marco's Millions

William Sleator

5.0(1)Open Library rating out of 5

Martians don't take temperatures

by Debbie Dadey and Marcia Thornton Jones ; illustrated by John Steven Gurney.

Debbie Dadey

5.0(1)Open Library rating out of 5

Millennial Hospitality II

The World We Knew

Charles James Hall

5.0(1)Open Library rating out of 5

Monster

Michael Grant

5.0(1)Open Library rating out of 5

Monsters in space!

Ray O'Ryan

5.0(1)Open Library rating out of 5

Night night, Groot

Brendan Deneen

5.0(1)Open Library rating out of 5

On a Beam of Light

A Novel

Gene Brewer

5.0(1)Open Library rating out of 5

On dragonwings

Anne McCaffrey

5.0(1)Open Library rating out of 5

Opposition

Jennifer L. Armentrout

5.0(1)Open Library rating out of 5

Origin

Jennifer L. Armentrout

5.0(1)Open Library rating out of 5

Power of Six

Pittacus Lore

5.0(1)Open Library rating out of 5

Realware

Rudy Rucker

5.0(1)Open Library rating out of 5

Remnants

No Place Like Home

Katherine Applegate

5.0(1)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.