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The Inventor's Secret

Chad Morris

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Similar in characterization + relationships

These books are ranked using the characterization + relationships labels extracted for The Inventor's Secret. Books rank higher when they are close on every selected axis.

Characterization labels used: twin protagonists, female protagonist, male twin, ordinary heroine, genius student, inventor grandfather, relatable characters, bullied outsider, hidden talents, brilliant students, young students

Relationships labels used: siblings, twin siblings, grandparent grandchildren, family bond, friendship, bullying, trust issues, teacher-student tension, mentor figure

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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School of Shards

Marina Dyachenko, Sergey Dyachenko · 2025 · Vita Nostra (English)

A magic-school provost must repair a reality she reshaped, training new students while speech itself begins to fail.

Why this is here

Characterization labels: female protagonist · teacher protagonist · academy administrator · brother character · twins · next generation · morally compromised · controlling · transformative arc · inscrutable protagonist · forceful protagonist

Relationships labels: teacher student · family duty · siblings · former lovers · parent child · mentor student · peer group · power imbalance · intergenerational

Semantic match: ranked by characterization + relationships

Distance: 0.1294

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A Wind in the Door

Madeleine L'Engle · 1976 · Time Quintet

Meg must help save her gifted, bullied brother by journeying into a strange inner world where love, naming, and evil collide.

Why this is here

Characterization labels: gifted child · bullied child · sick child · protective sibling · intuitive heroine · brilliant child · teacher figure · mentor figure · skeptical protagonist · supportive parent

Relationships labels: sibling bond · friendship · parent-child · mentor-student · bully-victim · teamwork · caregiving · family support

Semantic match: ranked by characterization + relationships

Distance: 0.1407

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Thief!

Malorie Blackman · 2004

After being framed at school, a bullied girl is hurled into a bleak future where her choices have changed everything.

Why this is here

Characterization labels: young female protagonist · new girl · little brother · bullied child · likeable protagonist · vulnerable protagonist · framed victim · tyrant · queen bee · heroic child · bitter future self · corrupted future self

Relationships labels: sibling bond · friendship · peer pressure · bullying · school clique · betrayal · family support · friendship fallout · community hostility · power imbalance

Semantic match: ranked by characterization + relationships

Distance: 0.1497

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Gravity Falls: Journal 3

Alex Hirsch, Rob Renzetti · 2022

A replica mystery journal from Gravity Falls adds hidden codes, new notes, and extra lore around the show’s secrets.

Why this is here

Characterization labels: eccentric genius · curious kid · twin protagonists · mischievous kid · brotherly conflict · tinkerer · assistant · investigator · obsessive researcher · reluctant hero

Relationships labels: siblings · twin bond · family bond · brotherly conflict · mentor apprentice · friendship · found family · family reconciliation · parent-child-like care · teamwork

Semantic match: ranked by characterization + relationships

Distance: 0.1531

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Star Wars: Jedi Academy

Jeffrey Brown · 2013 · Jedi Academy

A late-blooming kid gets sent to Jedi school instead of pilot training and navigates friendship, bullies, and Force lessons.

Why this is here

Characterization labels: young protagonist · reluctant student · aspiring pilot · gifted potential · awkward kid · new kid · bullied student · artist · comic maker · supportive family · wise mentor · teacher figure · bully · love interest · best friend

Relationships labels: family expectations · father-son · siblings · mentor-student · friendship · first crush · bullying · peer pressure · classmates · community

Semantic match: ranked by characterization + relationships

Distance: 0.1589

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Jake Ransom and the Skull King's Shadow

James Rollins · 2009 · Jake Ransom

A boy and his sister follow clues from their missing archaeologist parents into a hidden world of ancient cultures, dinosaurs, and danger.

Why this is here

Characterization labels: young hero · bookish boy · curious protagonist · smart kid · bullied outsider · popular sister · cheerleader sister · adventurous sibling pair · new friends · flawed characters · resourceful child

Relationships labels: sibling bond · missing parents · family loss · friendship · group teamwork · rivalry

Semantic match: ranked by characterization + relationships

Distance: 0.1591

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The Door to Time

Pierdomenico Baccalario · 2006 · Ulysses Moore

Two twins and a new friend uncover clues in a cliffside manor that lead to a hidden door and a bigger mystery.

Why this is here

Characterization labels: twin protagonists · child protagonists · adventurous boy · pragmatic girl · curious child · friendly local boy · mysterious caretaker · eccentric owner

Relationships labels: siblings · friend trio · teamwork · camaraderie · parent-child separation · sibling contrast

Semantic match: ranked by characterization + relationships

Distance: 0.1597

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Fullmetal Alchemist, Vol. 6

Hiromu Arakawa · 2006 · 鋼の錬金術師 [Hagane no Renkinjutsushi]

A backstory-heavy manga volume tracing the Elric brothers’ origins, training, and the taboo that changed everything.

Why this is here

Characterization labels: brother duo · child protagonists · traumatized protagonists · gifted prodigy · strict teacher · mysterious officer · young recruits · complex female character

Relationships labels: brother bond · teacher-student relationship · mentor relationship · military recruitment · protective bonds · family loss

Semantic match: ranked by characterization + relationships

Distance: 0.1619

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The Nebula Secret

Trudi Trueit · 2018 · Explorer Academy

A boy enters an elite explorer academy and must solve a family-linked mystery while evading a hidden enemy.

Why this is here

Characterization labels: relatable protagonist · brave child · smart kids · gifted students · independent kids · loyal friend · honorable hero · flawed protagonist · memorable supporting cast · teacher allies · frenemy · school bully · secretive adults · young team

Relationships labels: friendship · teamwork · found family · parent-child bond · aunt-nephew · father-son · mentor-student · loyalty · betrayal · rivalry · trust issues · classmate alliance

Semantic match: ranked by characterization + relationships

Distance: 0.1620

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Vita Nostra

Marina Dyachenko, Sergey Dyachenko · 2018 · Vita Nostra (English)

A coerced teen enters a terrifying secret school where studying remakes reality, identity, and the self.

Why this is here

Characterization labels: teenage protagonist · gifted student · reluctant student · domineering mentor · scary teachers · morally grey characters · isolated protagonist · resilient heroine · authoritarian authority figures

Relationships labels: mother-daughter · mentor-student · teacher-student · peer relationships · coercive relationship · family endangerment · complicated family bond

Semantic match: ranked by characterization + relationships

Distance: 0.1625

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Cryptid Hunters

Roland Smith · 2006 · Marty and Grace

Twins sent to live with a secretive uncle are swept from school life into a cryptid hunt, jungle danger, and family secrets.

Why this is here

Characterization labels: twin protagonists · sibling duo · adventurous boy · fearful girl · gifted kids · resourceful children · intelligent protagonists · quirky talents · photographic memory · eccentric mentor · intimidating uncle · enigmatic adults · predictable villain · character growth

Relationships labels: sibling bond · sibling rivalry · found family · parent-child secrets · guardian relationship · uncle-niece/nephew · mentor-protege · rivalry

Semantic match: ranked by characterization + relationships

Distance: 0.1626

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The Roar

Emma Clayton · 2009 · The Roar

In a plague-ravaged future behind a wall, a boy hunts for his missing twin through a deadly game and buried secrets.

Why this is here

Characterization labels: twin protagonists · missing sister · determined boy · brave protagonist · resourceful heroine · captive character · mutant teens · villainous authority · young heroes · special abilities

Relationships labels: twin bond · sibling bond · brother-sister relationship · parent-child tension · mentor relationship · friendship · romantic absence · authority vs youth · captor-captive relationship · loyalty

Semantic match: ranked by characterization + relationships

Distance: 0.1630

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