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One Head Too Many (The Master of Defence)

Peter Tonkin

Cover of One Head Too Many (The Master of Defence)

One Head Too Many (The Master of Defence)

Age Rating, Reading Level & Content Guide

by Peter Tonkin

Reading Level 6 11MP Ages 9-12 Matched

The text is written at a 6th 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

Tom Musgrave ducks just in time as a shadowy figure lunges at him in the dark alley. Heart pounding, he knows this is no ordinary fight — there’s a mystery lurking behind every corner. But who is the real enemy, and what secret are they trying to hide?

Quick Assessment

This historical mystery follows young Tom Musgrave as he navigates dangerous situations and uncovers secrets in a suspenseful story suited for middle-grade readers. The book contains mild peril and suspenseful moments appropriate for ages 9 to 12, with themes of crime and detective work set in a historical context. Parents should note the presence of mystery-driven tension but no graphic content.

Why we rated One Head Too Many (The Master of Defence) 11MP

One Head Too Many (The Master of Defence) is written at a Level 6 reading level across 256 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, One Head Too Many (The Master of Defence) works for readers up to grade 8.0.

We rate One Head Too Many (The Master of Defence) as 11MP ("Moderate — Physical") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from physical peril, thematic difficulty — 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, One Head Too Many (The Master of Defence) explores mystery, historical, crime, 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, historical, crime.

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

11MP — Moderate — Physical
Emotional
Light
Physical
Moderate
Social
Clear
Thematic
Moderate

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

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
5
Emotional Weight
6
Theme Richness
4
World Scope
1
Data Confidence
7

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Details

Book Length

256 pages
ISBN
9780727857248
Pages
256
Publisher
Severn House Publishers
Published
November 2002
Type
Fiction

Genres

Subjects

Crime & MysteryHistorical FictionMystery/SuspenseMystery/ DetectiveMystery & DetectiveMurderInvestigationSocial Life and CustomsManners and CustomsLondon