Diamonds are a thief's best friend
Hope McLean
Diamonds are a thief's best friend
Age Rating, Reading Level & Content Guide
by Hope McLean
Jewel Thieves
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.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
A clever group of friends head to New York City, juggling a big quiz bowl contest while trying to protect four rare gems from sneaky thieves. Mysterious notes and rival teams keep them on their toes as they race through the city, determined to solve puzzles and prevent a daring diamond heist. Adventure and brains combine in a thrilling chase that tests their teamwork and smarts.
Themes
Quick Assessment
This is a Level 4-5 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.
Why we rated Diamonds are a thief's best friend 9LP
Diamonds are a thief's best friend is written at a Level 4-5 reading level across 140 pages (approximately 26,408 words). Strong independent readers around grade 5.3 can typically handle this book on their own; with parent or teacher support, Diamonds are a thief's best friend works for readers up to grade 6.3.
Read aloud, Diamonds are a thief's best friend runs about 2.9 hours — long enough to span several bedtime sessions.
We rate Diamonds are a thief's best friend as 9LP ("Light — Physical") 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.
Specific content flags noted by reviewers: Mild Peril.
Thematically, Diamonds are a thief's best friend explores friendship, adventure, mystery, school, and juvenile fiction — 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.
- ✓ Readers who like a steady plot with enough momentum to keep pages turning.
- ✓ Kids drawn to stories about friendship, adventure, mystery.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
6/10Engaging read with solid pacing and interesting themes.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
Similar Books
Based on content and theme analysis
The case of the diamonds in the desk
Lewis B. Montgomery
The case of the diamonds in the desk
Lewis B. Montgomery
Theft of the Ruby Lotus
Sayantani DasGupta
Theft of the Ruby Lotus
Sayantani DasGupta
Diamonds
Christine Petersen
Diamonds
Christine Petersen
Catch us if you can
Hope McLean
Catch us if you can
Hope McLean
Deadly Diamonds
Laurence Swinburne
Deadly Diamonds
Laurence Swinburne
Mystery of the Stolen Jewels
Highlights for Children
Mystery of the Stolen Jewels
Highlights for Children
Details
Book Length
- ISBN
- 9780545482899
- Pages
- 140
- Publisher
- Scholastic Inc.
- Published
- 2012
- Type
- Fiction
- Word Count
- 26,408
- Read-Aloud
- ~2h 56m
- Text Density
- Standard