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Baker Street Academy

Sam Hearn

Cover of Baker Street Academy

Baker Street Academy

Age Rating, Reading Level & Content Guide

Sherlock Holmes and the Disappearing Diamond

by Sam Hearn

Reading Level 4-5 9LE Ages 9-12 Balanced Read

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

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About This Book

Have you ever wondered what it would be like to solve a mystery alongside the great Sherlock Holmes? John Watson is just starting at Baker Street Academy when the world’s most famous jewel disappears from a top London museum. But when the thief is caught, could there be more to the story than meets the eye?

Quick Assessment

Baker Street Academy follows young John Watson as he adjusts to a new school and becomes involved in a thrilling mystery involving a stolen jewel. Suitable for readers aged 9-12, this middle-grade fiction blends adventure and detective work inspired by Sherlock Holmes. The story is light on intense themes and focuses on problem-solving and friendship.

Why we rated Baker Street Academy 9LE

Baker Street Academy is written at a Level 4-5 reading level across 160 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Baker Street Academy works for readers up to grade 6.5.

We rate Baker Street Academy as 9LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

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

Thematically, Baker Street Academy explores mystery, friendship, adventure, detective stories, and coming of age — 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, friendship, adventure.

Maybe not for

  • ! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

9LE — Light — Emotional
Emotional
Light
Physical
Clear
Social
Clear
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" 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
4
Emotional Weight
4
Theme Richness
5
World Scope
1
Data Confidence
7

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Details

Book Length

160 pages
ISBN
9781407170244
Pages
160
Publisher
Scholastic UK
Published
2016
Type
Fiction

Genres

Subjects

HolmesSherlockMystery and Detective Stories