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Cover of Germ: If You Breathe, It Will Find You by Robert Liparulo
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Germ: If You Breathe, It Will Find You

Robert Liparulo

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Similar in characterization + relationships

These books are ranked using the characterization + relationships labels extracted for Germ: If You Breathe, It Will Find You. Books rank higher when they are close on every selected axis.

Characterization labels used: federal agent, special agent, doctor, pastor, scientist, mad scientist, assassin, villain with backstory, flawed protagonists, flat characters, strong female lead, morally clear heroes

Relationships labels used: partner duo, sincere friendship, brotherhood, husband and wife, chase dynamic, good vs evil, trust issues, power struggle

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

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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

Characterization labels: secret agent · government operative · spymaster · competent heroine · hardboiled hero · tough guy · female agent · misogynistic protagonist · wisecracking narrator

Relationships labels: partner duo · romantic tension · marriage · authority dynamic · boss subordinate · gender power imbalance · teamwork · betrayal · collaboration under coercion

Semantic match: ranked by characterization + relationships

Distance: 0.1567

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Cover of The City of Shifting Waters by Pierre Christin

The City of Shifting Waters

Pierre Christin · 2010 · Valérian and Laureline

Time-traveling agents race through a flooded 1986 New York to stop a fugitive from reshaping the future.

Why this is here

Characterization labels: smart heroine · female sidekick · male hero · square-jawed hero · heroic agent · mad scientist · megalomaniac villain · fugitive criminal · thinly sketched characters · flat characters · resourceful · independent

Relationships labels: partner duo · hero and sidekick · rivalry · hero vs villain · agency team · male-female dynamic · sexist gender dynamic

Semantic match: ranked by characterization + relationships

Distance: 0.1841

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Cover of Split Second by Douglas E. Richards

Split Second

Douglas E. Richards · 2015 · Split Second

A physicist's split-second time travel breakthrough draws deadly factions, forcing his fiancée into a fight for survival.

Why this is here

Characterization labels: brilliant scientist · female protagonist · private investigator · ex-military hero · black ops operative · stock characters · cliche characters · hyper-intelligent · plucky heroine · martial competence · resourceful protagonist · flat characters · likable characters · antagonistic forces

Relationships labels: fiancée · romantic partnership · kidnapping · mentor-protector · trust issues · rival factions · good guys vs bad guys · dependency · betrayal · working partnership

Semantic match: ranked by characterization + relationships

Distance: 0.1890

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Cover of The Atlantis Gene by A.G. Riddle

The Atlantis Gene

A.G. Riddle · 2015 · The Origin Mystery

A fast-moving conspiracy thriller where Atlantis, genetics, and human origins collide in a race to avert catastrophe.

Why this is here

Characterization labels: geneticist · autism researcher · counterterrorism agent · secret agent · spymaster · villainous mastermind · female lead · male lead · badass hero · resourceful heroine · action hero · caricatured villains · large cast · character-driven by backstory · two-name identities

Relationships labels: romance · partnership · love interest · male-female duo · trust issues · rival factions · betrayal

Semantic match: ranked by characterization + relationships

Distance: 0.1891

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Cover of Game Changer by Douglas E. Richards

Game Changer

Douglas E. Richards · 2016

A Secret Service agent on the run uncovers a near-future brain-tech conspiracy that could reshape memory, learning, and power.

Why this is here

Characterization labels: Secret Service agent · neuroscientist · scientist protagonist · competent operative · highly intelligent characters · strong female characters · moral characters · mad scientist · rogue agent · brilliant scientist · black-ops adjacent

Relationships labels: colleagues · romantic tension · attraction · state power conflict · trust breakdown · pursuer-target · marriage (contested) · family loss · allyship

Semantic match: ranked by characterization + relationships

Distance: 0.1897

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Cover of Project Nemesis by Jeremy Robinson

Project Nemesis

Jeremy Robinson · 2012 · Nemesis Saga

A DHS paranormal investigator hunts a secret-made giant monster before it reaches Boston and triggers a military catastrophe.

Why this is here

Characterization labels: government agent · local sheriff · helicopter pilot · surly pilot · wisecracking protagonist · sarcastic protagonist · strong female lead · badass heroine · military antagonist · corporate villain · ordinary hero · monster with agency

Relationships labels: partner team · romantic tension · love interest · workplace banter · investigator and sheriff · human-monster link · human creators · rivalry · authority conflict · found team

Semantic match: ranked by characterization + relationships

Distance: 0.1900

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Cover of The Beauty, Vol. 1 by Jeremy Haun

The Beauty, Vol. 1

Jeremy Haun, Jason A. Hurley · 2016 · The Beauty Series

In a beauty-obsessed world, an STD grants perfection to those infected—until deadly consequences spark a conspiracy chase.

Why this is here

Characterization labels: detectives · female detective · hardboiled detectives · police task force · infected protagonists · corrupt officials · pharmaceutical executive · mercenary · antiheroic figures · brave heroine · flawed characters

Relationships labels: detective partnership · romantic relationship · wife relationship · married couple · working partnership · alliances of convenience · factional conflict · betrayal · government vs public · citizen vs corporation

Semantic match: ranked by characterization + relationships

Distance: 0.1931

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Cover of Written in Fire by Marcus Sakey

Written in Fire

Marcus Sakey · 2016 · Brilliance Saga

A gifted ex-agent races to stop civil war and a deadly power play in a near-future America on the brink.

Why this is here

Characterization labels: special agent · brilliant protagonist · righteous hero · family man · former government agent · terrorist mastermind · militia leader · scientist · strong female characters · morally gray characters · overpowered protagonist · love triangle

Relationships labels: ex-wife · co-parenting · love triangle · romantic rivalry · family loyalty · community bonds · friendship · enemy alliance · parent child

Semantic match: ranked by characterization + relationships

Distance: 0.1951

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Cover of Lady Mechanika Vol. 1: The Mystery of the Mechanical Corpse by Joe Benítez

Lady Mechanika Vol. 1: The Mystery of the Mechanical Corpse

Joe Benítez · 2015 · Lady Mechanika Volumes

An amnesiac cyborg adventuress in steampunk Victorian England hunts the truth behind her body and a new mechanical corpse.

Why this is here

Characterization labels: strong heroine · badass heroine · haunted heroine · determined investigator · compassionate protagonist · sarcastic protagonist · resourceful protagonist · female cyborg · amnesiac protagonist · sidekick · inventor · villainess · mad scientist · mysterious antagonist · strong female lead

Relationships labels: sidekick partnership · found family · friendship · mentor dynamic · rivalry · female rivalry · brotherly bond · parent-child · investigator-source relationship · enemy from past

Semantic match: ranked by characterization + relationships

Distance: 0.1960

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Cover of Patterns in the Dark by Lindsay Buroker

Patterns in the Dark

Lindsay Buroker · 2014 · Dragon Blood

A rogue mission to save a missing sister turns into a dangerous hunt for the last dragon and a weaponized secret.

Why this is here

Characterization labels: soldier · scientist · pilot · pirate · sorceress · soulblade · talking sword · mad scientist · sarcastic hero · honorable rogue · resourceful heroine · loyal crew · female warrior · missing sibling · nerdy hero

Relationships labels: romantic couple · enemies-to-allies · forced proximity · found family · crew loyalty · sibling bond · parent-child conflict · bickering partners · power couple · friendship rivalry · trust issues · workplace camaraderie

Semantic match: ranked by characterization + relationships

Distance: 0.1977

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Cover of Alien Mercenary's Heart by Mina Carter

Alien Mercenary's Heart

Mina Carter · 2020 · Lathar Mercenaries: Warborne

A wounded station chief and a mystery cyborg mercenary are thrown into a deadly escape and an unexpected romance.

Why this is here

Characterization labels: strong heroine · kick-ass heroine · veteran soldier · ex-military · security chief · cyborg hero · half human · mystery man · protective male lead · tough mercenaries · rag-tag crew · quirky side characters · family of choice · damaged hero · competent heroine · badass woman

Relationships labels: romantic pairing · protective relationship · partners in danger · crew camaraderie · brotherhood · found family · loyalty · trust issues · acceptance

Semantic match: ranked by characterization + relationships

Distance: 0.1983

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Cover of The List by J.A. Konrath

The List

J.A. Konrath · 2018 · The Konrath Dark Thriller Collective

A Chicago homicide detective with a strange birthmark uncovers a conspiracy linking murders, clones, and history.

Why this is here

Characterization labels: detective protagonist · wisecracking · comic relief · strong female character · quirky cast · bad guys · mad scientist · political villain · clone characters

Relationships labels: partner duo · buddy cop · unlikely allies · romance subplot · power struggle · betrayal · shared origin

Semantic match: ranked by characterization + relationships

Distance: 0.1989

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