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Gone

Mo Hayder

Cover of Gone

Gone

Age Rating, Reading Level & Content Guide

by Mo Hayder

Reading Level 8 12ME Ages 9-12 Balanced Read

The text is written at a 8th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

What if a mysterious disappearance in a quiet town hides secrets beneath the surface? Imagine police divers searching deep waters and detectives racing against time to find missing children. Every clue leads closer to the truth, but can they solve the mystery before it's too late?

Themes

MysteryPoliceMissing ChildrenAdventure

Quick Assessment

Gone by Mo Hayder is a gripping mystery suitable for middle-grade readers aged 9-12, featuring detective Jack Caffery and police divers as they investigate the disappearance of children. The story explores themes of suspense and police work with moderate intensity, though some scenes may be intense for sensitive readers. Parents should be aware that the book involves missing children and police investigations, but it remains appropriate for the intended age group.

Why we rated Gone 12ME

Gone is written at a Level 8 reading level across 415 pages. Strong independent readers around grade 9.0 can typically handle this book on their own; with parent or teacher support, Gone works for readers up to grade 10.0.

We rate Gone as 12ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight — these are the dimensions parents should evaluate against their reader's tolerance.

No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.

Thematically, Gone explores mystery, police, missing children, and adventure — these threads give the book room to mean different things to different readers.

Good fit for

  • Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
  • Kids drawn to stories about mystery, police, missing children.

Maybe not for

  • ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.

For Parents

Content Intensity

12ME — Moderate — Emotional
Emotional
Moderate
Physical
Light
Social
Light
Thematic
Light

Real stakes and emotional weight. May include sustained danger, loss, or bullying.

Data confidence: standard

Was our "Moderate" content intensity rating accurate for this book?

Reading Insights

Hook Factor

3/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
7
Emotional Weight
6
Theme Richness
4
World Scope
5
Data Confidence
7

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Details

Book Length

415 pages
ISBN
9780802145703
Pages
415
Publisher
Jack Caffery/Walking Man
Published
2010
Type
Fiction

Genres

Subjects

Jack CafferyPoliceFlea MarleyPolice DiversMissing ChildrenMysteryCafferyJackEnglandMissing Persons

Places

EnglandBristol