Find similar books by
Combine common axes
These books are ranked using the characterization labels extracted for Imaginary Numbers.
Characterization labels used: telepath, predatory alien, cryptozoologist, mathematician, apex predator, careful moralist, recovering trauma survivor, protective family member, quiet romantic, alienated outsider, reclusive, ethical incubus
This does not mean the books share the same plot, setting, quality, or difficulty. It means their characterization embeddings are close.
Stranded in a strange dimension and erased from her family’s memories, Sarah must win back trust and find a way home.
Why this is here
Characterization labels: telepath · cryptozoologist · mathematician · ethical outsider · adopted family · self-sacrificing · identity search · powerful heroine · alienated protagonist · snarky side characters · difficult love interest · protective family
Semantic match: ranked by characterization
Distance: 0.1489
A stranded astronaut accepts rescue from an enigmatic alien, only to find the ship and her own mind may be untrustworthy.
Why this is here
Characterization labels: astronaut · scientist · sole survivor · unreliable protagonist · traumatized protagonist · anxious protagonist · spiraling protagonist · enigmatic alien · cryptic rescuer · unsettling love interest · handsome monster
Semantic match: ranked by characterization
Distance: 0.1945
A telepathic explorer returns from a mind-trip to the stars changed, hunted, and carrying alien knowledge too dangerous to hide.
Why this is here
Characterization labels: telepath · astral explorer · fugitive protagonist · alien-influenced · outsider hero · persecuted group · corporate agent
Semantic match: ranked by characterization
Distance: 0.2084
Two telepaths investigate a world where humans are joining an alien faith that promises total belonging at a deadly cost.
Why this is here
Characterization labels: telepath · psychic · investigator · empathic reader · thought-reader · emotion-reader · couple · outsider observers · reluctant convert · philosophical protagonist
Semantic match: ranked by characterization
Distance: 0.2093
An alien comes to Earth to save his dying people, but human loneliness and self-destruction derail his mission.
Why this is here
Characterization labels: alien protagonist · fragile protagonist · genius · outsider · introverted · lonely · alcoholic · depressed · sympathetic antihero · scientist · government agents
Semantic match: ranked by characterization
Distance: 0.2116
Two ancient shape-shifting aliens hide on Earth for centuries until a deep-ocean artifact pulls them into collision.
Why this is here
Characterization labels: immortal beings · shape-shifters · alien protagonist · alien antagonist · human scientist · marine biologist · military figure · predator figure · curious observer · predatory sociopath · morally adaptive character
Semantic match: ranked by characterization
Distance: 0.2116
A stranded shapeshifting alien uses dating apps to survive, and their hunt becomes a queer horror of belonging and identity.
Why this is here
Characterization labels: shapeshifting alien · lonely outsider · predator protagonist · gender-fluid protagonist · nonbinary protagonist · disabled protagonist · insatiable hunger · adaptable survivor · charismatic narrator · nonconformist · murderous antihero · queer-coded outsider
Semantic match: ranked by characterization
Distance: 0.2137
Human captives inside an alien empire balance survival, collaboration, and secret rebellion as the war widens.
Why this is here
Characterization labels: collaborator · reluctant leader · captive human · morally grey · traumatized · schemer · spy · scientist · bureaucrat · alien oppressor · sympathetic antihero · bitter survivor
Semantic match: ranked by characterization
Distance: 0.2141
Cassie follows a shared ocean dream into a dangerous undersea rescue that could change the team forever.
Why this is here
Characterization labels: empath · pacifist · animal lover · moral center · conscientious · indecisive · reluctant leader · team peacemaker · new ally · alien outsider
Semantic match: ranked by characterization
Distance: 0.2148
A paranoid Earth agent and a secretive alien strategist play a galaxy-spanning game of hidden motives and conspiracies.
Why this is here
Characterization labels: paranoid protagonist · covert agent · intelligence agent · investigator · alien strategist · secretive alien · cynical · genius · borderline paranoid · morally ambiguous · dogged · obsessive
Semantic match: ranked by characterization
Distance: 0.2171
An established human-alien pair faces trade, politics, and cultural strain as human trouble reaches their alien world.
Why this is here
Characterization labels: caretaker · protective · dominant · submissive · ambitious · logically minded · emotionally intelligent · vulnerable · adapted outsider · alien perspective
Semantic match: ranked by characterization
Distance: 0.2181
A long-lived vampire-like man is exposed under alien rule and pulled into a slow-burning fight for identity and freedom.
Why this is here
Characterization labels: morally gray · complex characters · alien protagonist · loner · tortured soul · self-loathing · emotionally guarded · introspective · curious · scientist types · isolated geniuses · secondary aliens · noncorporeal character · shapechanger · nearly immortal
Semantic match: ranked by characterization
Distance: 0.2207
