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The Boneshaker

Kate Milford

Cover of The Boneshaker

The Boneshaker

Age Rating, Reading Level & Content Guide

by Kate Milford

Reading Level 7 12ME Ages 9-12 Balanced Read

The text is written at a 7th 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

The hiss of steam and the clatter of gears fill the air as the Boneshaker whirs to life beneath your feet. The scent of oil and metal mixes with an eerie magic that tingles on your skin. In a world where courage is tested and darkness lurks just around the corner, can you stand tall and face what hides in the shadows?

Themes

FamilyCommunityCourageSupernaturalHistoricalAdventureSteampunk

Quick Assessment

Set in 1914, this middle-grade novel weaves magical and steampunk elements into a story about family, community, and bravery. It explores themes of confronting evil in a richly detailed historical setting, suitable for ages 9 to 12. The book contains some supernatural elements and mild peril but remains appropriate for its target audience.

Why we rated The Boneshaker 12ME

The Boneshaker is written at a Level 7 reading level across 384 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, The Boneshaker works for readers up to grade 9.0.

We rate The Boneshaker 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 Boneshaker explores family, community, courage, supernatural, and historical — 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
  • Kids drawn to stories about family, community, courage.

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

4/10

Good conversation starter with themes worth exploring together.

Book DNA

Multi-dimensional content fingerprint

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

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Details

Book Length

384 pages
ISBN
9780547550046
Pages
384
Publisher
Clarion Books
Published
2010-05-24
Type
Fiction

Genres

Subjects

SupernaturalBicycles and BicyclingDemonologyMissouriMedicineAutomataMedicine ShowsBicyclesAutomobilesParanormal FictionMachine TheoryRobots

Places

Missouri