Horrible Harry and the missing diamond
Suzy Kline
Horrible Harry and the missing diamond
Age Rating, Reading Level & Content Guide
by Suzy Kline
Illustrated by Wummer, Amy, illustrator
The text is written at a 1st grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
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About This Book
What would you do if a precious diamond vanished right before the big school talent show? Harry and Doug are on the case, searching high and low through their classroom and playground. But can they find the missing treasure before the show begins?
Themes
Quick Assessment
This early reader book follows best friends Harry and Doug as they solve the mystery of their teacher's missing diamond just before the class talent show. Appropriate for ages 5-8 and reading level 1.5, the story emphasizes friendship, problem-solving, and responsibility with light suspense and school-based themes.
Why we rated Horrible Harry and the missing diamond 6C
Horrible Harry and the missing diamond is written at a Level 1-2 reading level across 69 pages. Strong independent readers around grade 2.5 can typically handle this book on their own; with parent or teacher support, Horrible Harry and the missing diamond works for readers up to grade 3.5.
We rate Horrible Harry and the missing diamond as 6C ("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, Horrible Harry and the missing diamond explores friendship, school stories, lost and found, talent show, and juvenile fiction — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about friendship, school stories, lost and found.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
6C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
1/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780670014262
- Pages
- 69
- Publisher
- Viking Books for Young Readers
- Published
- 2013
- Type
- Fiction