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Cover of Sirius by Olaf Stapledon
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Sirius

Olaf Stapledon

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Similar in themes

These books are ranked using the themes labels extracted for Sirius.

Themes labels used: alienation, otherness, identity, belonging, consciousness, humanity, nature versus nurture, intelligence, love, loneliness, religion, spirit, society and prejudice, ethics of experimentation, war, fear of the unknown, community, soul, meaning of life, free will, self-worth, difference, empathy, bigotry, disability

Focused on “discrimination” where exact label matches exist.

This does not mean the books share the same plot, setting, quality, or difficulty. It means their themes embeddings are close.

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Cover of エルフェンリート 1 [Elfen Lied 1] by Lynn Okamoto

エルフェンリート 1 [Elfen Lied 1]

Lynn Okamoto, 岡本倫 · 2002 · Elfen Lied

An escaped mutant with split identities is taken in by strangers while the government hunts her down.

Semantic match: ranked by themes

Distance: 0.0940

Cover of The Similars by Rebecca Hanover

The Similars

Rebecca Hanover · 2019 · The Similars

At an elite boarding school, a grieving teen confronts a clone of her dead best friend and a web of secrets.

Semantic match: ranked by themes

Distance: 0.0947

Cover of Gladiator by Philip Wylie

Gladiator

Philip Wylie · 1930

A super-strong man’s life unfolds as he searches for belonging while society fears the gift that sets him apart.

Semantic match: ranked by themes

Distance: 0.0710

Cover of The Mad Scientist's Daughter by Cassandra Rose Clarke

The Mad Scientist's Daughter

Cassandra Rose Clarke · 2013

A girl grows up with her android tutor as love, identity, and robot rights reshape both their lives.

Semantic match: ranked by themes

Distance: 0.1014

Cover of Lágrimas en la lluvia by Rosa Montero

Lágrimas en la lluvia

Rosa Montero · 2011 · Bruna Husky

A replicant detective in future Madrid investigates violent deaths while uncovering a conspiracy that threatens her kind.

Semantic match: ranked by themes

Distance: 0.1030

Cover of Fox Forever by Mary E. Pearson

Fox Forever

Mary E. Pearson · 2013 · Jenna Fox Chronicles

A young man with a bioengineered body goes undercover for the resistance and falls for the official’s daughter.

Semantic match: ranked by themes

Distance: 0.1049

Cover of If We Cannot Go at the Speed of Light by Kim Cho-yeop

If We Cannot Go at the Speed of Light

Kim Cho-yeop · 2026

Seven Korean speculative stories explore space, aliens, and future tech through intimate questions of identity, grief, and connection.

Semantic match: ranked by themes

Distance: 0.1072

Cover of Frankenstein by Mary Wollstonecraft Shelley

Frankenstein

Mary Wollstonecraft Shelley · 2017

A scientist’s pursuit of life beyond death unleashes a tragic chain of responsibility, rejection, and ruin.

Semantic match: ranked by themes

Distance: 0.0775

Cover of Earth Star by Janet  Edwards

Earth Star

Janet Edwards · 2013 · Earth Girl

A disabled Earth-born teen is pulled into a first-contact crisis when an alien sphere appears over Earth.

Semantic match: ranked by themes

Distance: 0.1077

Cover of Vaster Than Empires and More Slow by Ursula K. Le Guin

Vaster Than Empires and More Slow

Ursula K. Le Guin · The Hainish Cycle

A misfit survey crew meets a forest world whose plant-life seems to feel fear and think as one.

Semantic match: ranked by themes

Distance: 0.0812

Cover of More Than Human by Theodore Sturgeon

More Than Human

Theodore Sturgeon · 1979

Misfit children with psychic gifts form a shared consciousness and must decide what power, identity, and humanity mean.

Semantic match: ranked by themes

Distance: 0.0880