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The sleepwalker

Robert Muchamore

Cover of The sleepwalker

The sleepwalker

Age Rating, Reading Level & Content Guide

by Robert Muchamore

Reading Level 7 12ME Ages 13+ Balanced Read

The text is written at a 7th grade reading level, the subject matter is intended for teens (ages 13+), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

The plane shudders violently as alarms blare through the cabin. Chaos erupts around you—passengers scream, and the crew scrambles to regain control. But amid the panic, a chilling secret slips closer, threatening to unravel everything.

Themes

Young Adult FictionTeenagersAdventureSurvival

Quick Assessment

The Sleepwalker is a gripping young adult novel centered around teenagers caught in the aftermath of an aircraft accident. It explores themes of suspense, survival, and adolescent challenges suitable for readers aged 13 to 18. Parents should note the presence of intense scenes related to disaster and emotional tension.

Why we rated The sleepwalker 12ME

The sleepwalker is written at a Level 7 reading level across 330 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The sleepwalker works for readers up to grade 9.0.

We rate The sleepwalker 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, physical peril — 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, The sleepwalker explores young adult fiction, teenagers, adventure, and survival — these threads give the book room to mean different things to different readers.

Good fit for

  • Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about young adult fiction, teenagers, adventure.

Maybe not for

  • ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

12ME — Moderate — Emotional
Emotional
Moderate
Physical
Moderate
Social
Clear
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

2/10

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

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Details

Book Length

330 pages
ISBN
9781481456630
Pages
330
Publisher
Simon and Schuster
Published
2015
Type
Fiction

Genres

Subjects

Young Adult FictionTeenagersAircraft AccidentsInvestigationAdventure StoriesTerrorismCherubSpy StoriesSpiesAdventure and Adventurers