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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 “ethics” 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 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 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

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 The World Wasn't Ready for You by Justin C. Key

The World Wasn't Ready for You

Justin C. Key · 2023

A debut short-story collection fusing horror, sci-fi, and fantasy to confront race, class, prejudice, and identity.

Semantic match: ranked by themes

Distance: 0.0984

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 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 A Closed and Common Orbit by Becky Chambers

A Closed and Common Orbit

Becky Chambers · 2016 · Wayfarers

An AI reborn in an illegal human body and a cloned mechanic's pasts intertwine in a hopeful search for identity and belonging.

Semantic match: ranked by themes

Distance: 0.1096

Cover of Spiderlight by Adrian Tchaikovsky

Spiderlight

Adrian Tchaikovsky · 2016

A misfit quest to defeat a Dark Lord goes sideways when the party turns a giant spider into their guide.

Semantic match: ranked by themes

Distance: 0.1097

Cover of Frankenstein: The Original 1818 Text by Mary Wollstonecraft Shelley

Frankenstein: The Original 1818 Text

Mary Wollstonecraft Shelley · 2025

An original 1818 Gothic classic where a scientist creates life, then faces the human cost of abandonment.

Semantic match: ranked by themes

Distance: 0.1107

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 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