Baker Street Academy
Sam Hearn
Baker Street Academy
Age Rating, Reading Level & Content Guide
Sherlock Holmes and the Disappearing Diamond
by Sam Hearn
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?
Themes
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 — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781407170244
- Pages
- 160
- Publisher
- Scholastic UK
- Published
- 2016
- Type
- Fiction