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Cover of Parasyte, Volume 4 by Hitoshi Iwaaki
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Parasyte, Volume 4

Hitoshi Iwaaki

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Similar in premise + themes

These books are ranked using the premise + themes labels extracted for Parasyte, Volume 4. Books rank higher when they are close on every selected axis.

Premise labels used: alien invasion, body sharing, secret identity, parasitic takeover, humanity vs inhumanity, social infiltration, psychic sensitivity

Themes labels used: humanity, identity, environmentalism, dehumanization, coexistence, morality, social integration, psychological change, fear and paranoia, self-preservation, weakness, loss

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

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Cover of Parasyte, Volume 8 by Hitoshi Iwaaki

Parasyte, Volume 8

Hitoshi Iwaaki · 2009 · Parasyte (8 Volumes Edition)

In the final volume, Shinichi faces the deadliest parasite yet while confronting what separates humans from monsters.

Why this is here

Premise labels: alien invasion · body takeover · parasite host · final confrontation · humanity critique · coexistence conflict · identity crisis · survival struggle

Themes labels: human nature · identity · coexistence · morality · survival · anthropocentrism · environmental damage · ecological balance · selfhood · empathy · soul · species conflict · evolution · death · coming of age

Semantic match: ranked by premise + themes

Distance: 0.0988

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Cover of Parasyte, Volume 3 by Hitoshi Iwaaki

Parasyte, Volume 3

Hitoshi Iwaaki · 2008 · Parasyte (8 Volumes Edition)

A teen partially infected by a parasite struggles to stay human as a hidden alien threat spreads through his school.

Why this is here

Premise labels: alien parasite invasion · human-alien encounter · parasite host · partial takeover · symbiotic survival · coexistence · identity crisis · hidden monster among humans

Themes labels: humanity · identity · moral ambiguity · survival · coexistence · empathy · dehumanization · instinct versus reason · public fear · societal response · nature versus humanity · loss and grief · ethics of violence · otherness

Semantic match: ranked by premise + themes

Distance: 0.1091

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Cover of Invasion of the Body Snatchers by Jack Finney

Invasion of the Body Snatchers

Jack Finney · 1978

A small-town doctor uncovers a quiet alien takeover that leaves bodies intact but humanity missing.

Why this is here

Premise labels: alien takeover · body replacement · hidden invasion · impostor dilemma · invisible enemy · sleep vulnerability · identity loss · conformity pressure · mass paranoia · first contact

Themes labels: conformity · otherness · identity · paranoia · fear of the unknown · individuality · human emotion · socialization · depersonalization · infiltration · mass hysteria · resistance · social commentary · personal responsibility

Semantic match: ranked by premise + themes

Distance: 0.1097

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Cover of To Marry Medusa by Theodore Sturgeon

To Marry Medusa

Theodore Sturgeon · 1999

An alien hive mind hijacks a desolate drunk and tries to turn humanity into one collective consciousness.

Why this is here

Premise labels: alien invasion · hive mind · collective consciousness · mind transfer · human assimilation · individuality vs collectivity · misfit protagonist · unwitting host · Earth under threat · forced unity · gestalt consciousness

Themes labels: collective consciousness · individuality · community · cooperation · alienation · human nature · humanism · transcendence · evolution · identity · selfhood · miscommunication · loneliness · fear · violence · hope · optimism · compassion · civilization · social critique · gender and sex · sexuality · class

Semantic match: ranked by premise + themes

Distance: 0.1240

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Cover of The Seep by Chana Porter

The Seep

Chana Porter · 2020

A trans woman in an alien-made utopia spirals after her wife remakes herself, then sets out on a strange quest.

Why this is here

Premise labels: alien invasion · benevolent invasion · post-scarcity · grief after loss · identity transformation · utopian takeover · body modification · soft invasion

Themes labels: grief · identity · transformation · free will · autonomy · community · memory · mortality · love · loss · acceptance · pain · happiness · toxic positivity · utopia vs dystopia · ethics · consent · self-determination · change · humanity · post-scarcity

Semantic match: ranked by premise + themes

Distance: 0.1278

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Cover of Absolute Martian Manhunter (2025-) #1 by Deniz Camp

Absolute Martian Manhunter (2025-) #1

Deniz Camp · 2025 · Absolute Martian Manhunter (2025)

An FBI agent survives a bombing and begins experiencing a reality-bending psychic shift that blurs human and alien identity.

Why this is here

Premise labels: alien identity · dual self · investigative mystery · mind reading · psychic perception · survival after explosion · unstable reality · body-sharing

Themes labels: alienation · human nature · identity · sanity · perception · society · prejudice · violence · investigation · selfhood · integration · morality

Semantic match: ranked by premise + themes

Distance: 0.1369

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Cover of Clay's Ark by Octavia E. Butler

Clay's Ark

Octavia E. Butler · 1984 · Patternist

A desert roadside kidnapping pulls a family into an alien-infected colony where survival and consent collide.

Why this is here

Premise labels: alien invasion · alien infection · contagion outbreak · kidnapping survival · forced community · symbiotic transformation · humanity under threat

Themes labels: survival · humanity · free will · consent · power dynamics · morality · community · contagion · symbiosis · infection · identity · evolution · dehumanization · oppression · complicity · sexual coercion · xenophobia · breeding · ethics

Semantic match: ranked by premise + themes

Distance: 0.1377

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Cover of Hatch by Kenneth Oppel

Hatch

Kenneth Oppel · 2020 · The Overthrow

Trapped with other hybrid teens, three survivors face new alien horrors, secret experiments, and shifting loyalties.

Why this is here

Premise labels: alien invasion · hybrid children · immunity · government detention · escape attempt · secret experiments · first contact · body transformation · escalating threat · trust crisis

Themes labels: identity · humanity · trust · ethics · survival · greater good · human rights · otherness · belonging · coming of age · war ethics · agency · transformation · fear of difference · friendship

Semantic match: ranked by premise + themes

Distance: 0.1377

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Cover of Whispers in Autumn by Trisha Leigh

Whispers in Autumn

Trisha Leigh · 2012 · The Last Year

A teen girl who can't be mind-controlled by alien rulers must trust a stranger and uncover why she's different.

Why this is here

Premise labels: alien takeover · mind control · immune protagonist · hidden difference · trust no one · seasonal identity · secret powers · search for others like me · freedom from control

Themes labels: identity · belonging · freedom · survival · trust · control · resistance · loneliness · secrecy · self-acceptance · humanity · emotional suppression

Semantic match: ranked by premise + themes

Distance: 0.1384

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Cover of My Name Isn't Paul: A Cosmic Horror Novella by Drew Huff

My Name Isn't Paul: A Cosmic Horror Novella

Drew Huff · 2025

An alien mimic living as a salesman unravels as his species’ breeding cycle forces a crisis of self and hunger.

Why this is here

Premise labels: identity crisis · hidden identity · mimicry · alien among humans · human disguise · existential dread · body horror · reproductive horror

Themes labels: identity · humanity · self-loathing · shame · guilt · masking · personhood · alienation · transgression · consent · biology vs choice · parenthood · grief · acceptance · morality · survival

Semantic match: ranked by premise + themes

Distance: 0.1395

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Cover of The Hanging Stranger by Philip K. Dick

The Hanging Stranger

Philip K. Dick · 2007

A small-town salesman sees a hanged stranger no one else finds alarming, and discovers his world is far from normal.

Why this is here

Premise labels: paranoia · alien invasion · mind control · body snatching · hidden takeover · outsider perspective · small-town siege

Themes labels: conformity · social control · paranoia · trust · perception · alienation · desensitization · xenophobia · mass hysteria · individualism · government control · religious imagery · epistemology

Semantic match: ranked by premise + themes

Distance: 0.1419

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Cover of The Puppet Masters by Robert A. Heinlein

The Puppet Masters

Robert A. Heinlein · 2010

A secret agent uncovers a slug-like alien mind-control invasion spreading through Iowa and the U.S. government.

Why this is here

Premise labels: alien invasion · mind control · body snatching · parasitic aliens · secret agency · infiltration · political takeover · hidden enemy

Themes labels: free will · individual liberty · totalitarianism · Cold War paranoia · invasion fear · groupthink · government overreach · bureaucratic failure · media manipulation · identity loss · collective contagion · surveillance · civil liberties · propaganda · human dignity · conscience

Semantic match: ranked by premise + themes

Distance: 0.1440

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