The Mystery of the Vanishing Treasure
Robert Arthur
The Mystery of the Vanishing Treasure
Age Rating, Reading Level & Content Guide
by Robert Arthur
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 gentle with no concerning themes.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
What would you do if a priceless treasure vanished without a trace? Imagine stepping into a world where ancient secrets hide in every shadow, and a jewel-encrusted belt disappears mysteriously. Can you solve the puzzle before it's lost forever?
Quick Assessment
This middle-grade mystery follows a thrilling search for a missing jewel-encrusted belt once owned by ancient Japanese emperors. Suitable for children ages 9-12, it encourages critical thinking and problem-solving through an engaging detective story. The content is appropriate for this age group, with no intense or inappropriate material.
Why we rated The Mystery of the Vanishing Treasure 9C
The Mystery of the Vanishing Treasure is written at a Level 4-5 reading level across 152 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Mystery of the Vanishing Treasure works for readers up to grade 6.5.
We rate The Mystery of the Vanishing Treasure as 9C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, The Mystery of the Vanishing Treasure explores mystery, adventure, and detective stories — 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, adventure, detective stories.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
For Parents
Content Intensity
9C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
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 Mystery of the Fallen Treasure
Gertrude Chandler Warner
The Mystery of the Fallen Treasure
Gertrude Chandler Warner
The Mystery of the Silver Spider (Three Investigators)
Robert Arthur
The Mystery of the Silver Spider (Three Investigators)
Robert Arthur
The Mystery of the Green Ghost
Robert Arthur
The Mystery of the Green Ghost
Robert Arthur
The mystery of the missing masterpiece
Helen Moss
The mystery of the missing masterpiece
Helen Moss
Mystery of the Stolen Jewels
Highlights for Children
Mystery of the Stolen Jewels
Highlights for Children
Mystery Mob and the hidden treasure
Roger Hurn
Mystery Mob and the hidden treasure
Roger Hurn
Details
Book Length
- ISBN
- 9780394864051
- Pages
- 152
- Publisher
- Random House
- Published
- 1985
- Type
- Fiction