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Obsidian Mirror

Catherine Fisher

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Similar in tone + premise

These books are ranked using the tone + premise labels extracted for Obsidian Mirror. Books rank higher when they are close on every selected axis.

Tone labels used: dark, eerie, spooky, mysterious, chilling, gothic, atmospheric, suspenseful, melancholic, cold, thrilling, gripping, uncanny

Premise labels used: missing father, time portal, family rescue, reclaim the past, destroy the mirror, quest for truth, mysterious experiments, haunted estate, fae intrusion, unreliable time travel

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

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The Phantom Tree

Nicola Cornick · 2016 · Timeslip

A modern woman uncovers a Tudor portrait that may unlock the mystery of a lost girl—and the son she left behind.

Why this is here

Tone labels: atmospheric · haunting · spooky · dark · tension-filled · mystical · spellbinding · sumptuous · melancholic · romantic · gothic

Premise labels: lost child · mysterious portrait · family secret · historical mystery · time slip · dual timeline · quest to return home · search for son · identity mystery · alternative history

Semantic match: ranked by tone + premise

Distance: 0.1432

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Fear

L. Ron Hubbard · 2014

A skeptical professor loses four hours and his hat, then reality around him begins to warp into menace.

Why this is here

Tone labels: creepy · surreal · unsettling · claustrophobic · ominous · suspenseful · psychological · eerie · haunting

Premise labels: missing time · memory loss · supernatural pursuit · skeptical protagonist · unreliable reality · paranormal investigation · psychological descent

Semantic match: ranked by tone + premise

Distance: 0.1489

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Gates of Thread and Stone

Lori M. Lee · 2014 · Gates of Thread and Stone

A girl with hidden time magic hunts for her missing brother and uncovers secrets that could reshape her city.

Why this is here

Tone labels: dark · mysterious · tense · moody · romantic · adventurous · bittersweet · unpredictable · emotionally charged · intense

Premise labels: time manipulation · missing sibling · rescue mission · hidden power · secret identity · journey quest · revolution · memory loss · unlikely family

Semantic match: ranked by tone + premise

Distance: 0.1529

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Void Fate: A Novel

Suren G. Hakobyan · 2024

Five friends wake in a silent, empty city and must survive while uncovering what happened to their world and themselves.

Why this is here

Tone labels: eerie · suspenseful · creepy · dark · ominous · claustrophobic · chilling · tense · psychological · surreal

Premise labels: lost memory · missing world · isolated survivors · silent world · hidden threat · identity mystery · reality shift · apocalyptic uncertainty

Semantic match: ranked by tone + premise

Distance: 0.1529

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So Close to You

Rachel Carter · 2012 · So Close to You

A skeptical teen falls into a wartime time-travel conspiracy and must choose between uncovering the truth and saving her family.

Why this is here

Tone labels: suspenseful · romantic · mysterious · tense · creepy · adventurous · heartbreaking · thrilling · exciting · sweet · dark · scary · fun · nostalgic

Premise labels: time travel experiment · government conspiracy · family mystery · missing relative · secret facility · change the past · save family · forbidden truth

Semantic match: ranked by tone + premise

Distance: 0.1540

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The Expert of Subtle Revisions

Kirsten Menger-Anderson · 2025

A woman chasing her missing father is pulled into a dual-timeline mystery linking Wikipedia edits, Vienna academics, and time travel.

Why this is here

Tone labels: beautiful · clever · quirky · weird · melancholic · dark · suspenseful · compelling · mysterious · intellectual · contemplative · hopeful · lightly magical · unnerving · romantic · sad

Premise labels: missing father · search quest · time travel device · academia under threat · intellectual circle · hidden history · identity search · rewriting history · family mystery

Semantic match: ranked by tone + premise

Distance: 0.1564

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The Collectors

Philip Pullman · 2014 · His Dark Materials

In a winter Oxford college, two art collectors uncover a strange link between a painting and a bronze monkey statue.

Why this is here

Tone labels: creepy · eerie · mysterious · ominous · atmospheric · macabre · dark · tense · deliciously creepy · spooky · foreboding

Premise labels: art mystery · haunted object · parallel worlds · collector story · cursed artifacts · unexplained connection

Semantic match: ranked by tone + premise

Distance: 0.1565

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Tunnels

Roderick Gordon, Brian Williams · 2007 · Tunnels

A boy searching for his missing father discovers a brutal subterranean society beneath London.

Why this is here

Tone labels: dark · mysterious · creepy · bleak · ominous · claustrophobic · gritty · adventurous · tense · unsettling · sinister

Premise labels: missing father · underground civilization · subterranean mystery · search mission · secret society · dysfunctional family · archaeology · hidden world

Semantic match: ranked by tone + premise

Distance: 0.1582

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The Dark City

Catherine Fisher · 2011 · Relic Master

A hunted relic-keeper and his apprentice race through a crumbling world to find a powerful artifact before their enemies do.

Why this is here

Tone labels: dark · mysterious · foreboding · grim · atmospheric · suspenseful · adventurous · intense · haunting

Premise labels: lost relics · ancient technology · hunted order · mentor apprentice · quest · world in decline · powerful artifact · fugitive journey

Semantic match: ranked by tone + premise

Distance: 0.1589

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Summertime Rendering, Vol. 1

Yasuki Tanaka · 2022 · Summertime Rendering 2-in-1 Omnibus

A grieving teen returns to a remote island funeral and is trapped in a deadly time loop of shadows, secrets, and murder.

Why this is here

Tone labels: chilling · ominous · creepy · suspenseful · tense · dark · weird · unsettling · wild · claustrophobic

Premise labels: homecoming · funeral visit · small-town mystery · island isolation · time loop · doppelganger mystery · supernatural threat · investigation · death reset · shadow selves

Semantic match: ranked by tone + premise

Distance: 0.1607

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The Deceivers

Margaret Peterson Haddix · 2021 · The Greystone Secrets

Trapped in a dangerous mirror world, four kids race to decode clues, find allies, and rescue their missing moms.

Why this is here

Tone labels: suspenseful · tense · exciting · dark · urgent · adventurous · creepy · mysterious · intense · hopeful

Premise labels: alternate world · parallel world · mirror world · rescue mission · missing parent · family quest · truth vs lies · secret codes · doppelgangers · trust no one

Semantic match: ranked by tone + premise

Distance: 0.1615

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The Dark Tower: And Other Stories

C.S. Lewis · 1998 · The Space Trilogy

A posthumous collection of Lewis fragments and stories exploring time, myth, space travel, and unsettling other worlds.

Why this is here

Tone labels: eerie · mysterious · dark · disturbing · uncanny · terrifying · strange · quirky

Premise labels: unfinished manuscript · time travel · alternate realities · space-time breach · myth retelling · posthumous collection · Christian allegory

Semantic match: ranked by tone + premise

Distance: 0.1619

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