Island Keeper
Harry Mazer
Island Keeper
Age Rating, Reading Level & Content Guide
by Harry Mazer
The text is written at a 5th 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
Cleo races across the rocky shore, the cold wind biting her cheeks as she clutches a small bag. The island’s dense forest looms ahead, full of secrets and challenges she’s never faced before. But as night falls, strange noises echo—what’s lurking just beyond the trees?
Quick Assessment
This middle-grade novel follows Cleo, a young girl who runs away to her father's remote island in Canada, seeking escape and independence. The story explores themes of survival and self-discovery appropriate for ages 9-12, featuring some mild peril typical of adventure fiction. Parents should note the book includes moments of tension and uncertainty but no graphic content.
Why we rated Island Keeper 10LE
Island Keeper is written at a Level 5 reading level. Strong independent readers around grade 6.0 can typically handle this book on their own; with parent or teacher support, Island Keeper works for readers up to grade 7.0.
We rate Island Keeper as 10LE ("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, Island Keeper explores adventure, survival, family, 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.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about adventure, survival, family.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
10LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
- ISBN
- 9780808556756
- Publisher
- Turtleback
- Published
- October 1999
- Type
- Fiction