Traitor in the shipyard
Kathleen Ernst
Traitor in the shipyard
Age Rating, Reading Level & Content Guide
A Caroline Mystery
by Kathleen Ernst
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
Could a spy be hiding right where Caroline lives? At Abbott's Shipyard, things start to go mysteriously wrong, and Caroline must figure out if the traitor is someone familiar—maybe even a friend of her family. Who can she trust when secrets are everywhere?
Themes
Quick Assessment
Set in a historical context, this middle-grade mystery follows Caroline as she navigates suspicions of espionage at a local shipyard. Themes include friendship, family loyalty, and historical intrigue, making it suitable for readers aged 9-12. The story contains mild suspense but no graphic content, offering an engaging introduction to history and detective stories.
Why we rated Traitor in the shipyard 9LE
Traitor in the shipyard is written at a Level 4-5 reading level across 182 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Traitor in the shipyard works for readers up to grade 6.5.
We rate Traitor in the shipyard 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, Traitor in the shipyard explores history, spies, mystery and detective stories, friendship, and family — 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 history, spies, mystery and detective stories.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
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
1/10A 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
Book Length
- ISBN
- 9781609580858
- Pages
- 182
- Publisher
- American Girl Publishing Incorporated
- Published
- 2013
- Type
- Fiction