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These books are ranked using the characterization labels extracted for Contagious.
Characterization labels used: hulking ex-athlete, CIA veteran, epidemiologist, government agents, scientist, soldier, antihero, brilliant child antagonist, psychologically shattered protagonist, tortured survivor, male bonding, tough military men, brilliant but hardened woman
This does not mean the books share the same plot, setting, quality, or difficulty. It means their characterization embeddings are close.
A damaged recruit is pulled into a secret military experiment, triggering a family-spanning tragedy of violence and guilt.
Why this is here
Characterization labels: damaged protagonist · abused child · tragic victim · guilty protector · abusive father · war-traumatized veteran · mad scientist · military officer · recruiter · innocent victim · monstrous transformation · morally compromised adults
Semantic match: ranked by characterization
Distance: 0.2083
A medically retired ex-SEAL in college stumbles into terrorist plots, then barrels into extreme violence, sex, and revenge.
Why this is here
Characterization labels: ex-SEAL · medically retired · anti-hero · dark hero · flawed hero · predatory protagonist · violent protagonist · misogynistic character · abrasive character · blunt character · politically incorrect · serial rapist (content-linked) · dominant male · wish-fulfillment hero
Semantic match: ranked by characterization
Distance: 0.2129
A scientist’s brain-boosting breakthrough pulls a retired operative into a high-stakes chase of lies, power, and trust.
Why this is here
Characterization labels: brilliant scientist · genetic engineer · ex-special forces operative · special ops soldier · retired operative · hacker · psychopath villain · brooding hero · beautiful genius · wounded protagonist
Semantic match: ranked by characterization
Distance: 0.2185
A captive megalodon escapes, forcing a shark expert into a deadly undersea conspiracy in the Mariana Trench.
Why this is here
Characterization labels: traumatized protagonist · obsessive hero · billionaire villain · femme fatale · mad scientist · mercenary · scientist · antihero
Semantic match: ranked by characterization
Distance: 0.2187
A former Marine and her mismatched crew hunt grave robbers on a dead alien world to stop a new interstellar war.
Why this is here
Characterization labels: ex-soldier · competent protagonist · elite team · misfit crew · found family · leader · veteran · contractor · survivor · tough heroine · snarky ensemble · morally principled · PTSD
Semantic match: ranked by characterization
Distance: 0.2216
An ex-cop junkie in a vertical cyberpunk city rescues human clones and is dragged back into his own buried past.
Why this is here
Characterization labels: anti-hero · damaged protagonist · drug addict · ex-cop · ex-soldier · war veteran · flawed hero · cynical narrator · reluctant protector · guilt-ridden · self-destructive · likable damaged protagonist · moral outsider
Semantic match: ranked by characterization
Distance: 0.2256
A secret outbreak of parasite-driven madness forces a CIA agent, CDC scientist, and infected man into a race against catastrophe.
Why this is here
Characterization labels: infected protagonist · ex-athlete · CIA operative · CDC epidemiologist · black ops fixer · sympathetic antihero · unlikeable characters · stereotyped characters · morally ambiguous · rage issues
Semantic match: ranked by characterization
Distance: 0.2262
An army veteran survives a deadly bus crash, then wakes in a secret lab where cryonics, lies, and danger unfold.
Why this is here
Characterization labels: army veteran · former soldier · good samaritan · resourceful protagonist · enigmatic protagonist · female scientist · vascular surgeon · doctors · scientists · shady investors · government agents · malevolent funders · animal test subjects
Semantic match: ranked by characterization
Distance: 0.2279
A war-ravaged galaxy nears collapse as one Jedi falls, one senator resists, and a hidden Sith plot reaches its end.
Why this is here
Characterization labels: conflicted hero · manipulative villain · tragic antihero · idealistic politician · warrior mentor · corrupted prodigy · complex villains · inner turmoil · father figure · believable motivations
Semantic match: ranked by characterization
Distance: 0.2280
A shattered operative goes rogue to hunt his family’s killers while his team races a global plot of enhanced super-soldiers.
Why this is here
Characterization labels: damaged protagonist · fractured psyche · traumatized hero · antihero · violent avenger · loyal team · combat dog · complex villain · ruthless mercenary · assassin · enhanced soldiers · female scientist · supporting ensemble
Semantic match: ranked by characterization
Distance: 0.2282
An ex-soldier joins a secret job for good pay and finds himself fighting alongside Norse gods as Ragnarok looms.
Why this is here
Characterization labels: Ex-soldier · Disgraced veteran · Mercenary · Reluctant hero · Antihero · Snarky protagonist · Macho lead · Flawed protagonist · Warrior hero · Mythic gods as characters · Wise leader · Fierce warrior
Semantic match: ranked by characterization
Distance: 0.2284
A traumatized soldier reborn 96 times is reassigned with a sentient AI into a war that may hide humanity’s true enemy.
Why this is here
Characterization labels: traumatized soldier · grizzled veteran · apathetic protagonist · PTSD · anxious lead · capable warrior · flawed but brave · sarcastic AI · enigmatic commander · special forces squad
Semantic match: ranked by characterization
Distance: 0.2293
