The secret lost at sea
Carolyn Keene
The secret lost at sea
Age Rating, Reading Level & Content Guide
by Carolyn Keene
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
Nancy slips quietly through the shadowy halls of the nautical museum, her heart pounding as she spots a figure sneaking away with a gleaming artifact. Suddenly, a loud crash echoes from the next room—someone’s been caught! But who? And what secret are they hiding beneath the waves?
Quick Assessment
This middle-grade mystery follows Nancy as she goes undercover at a nautical museum to solve the case of missing and damaged relics. Suitable for ages 9-12, the story involves suspense and problem-solving without intense violence or mature themes. It’s a great pick for young readers who enjoy detective stories with a nautical twist.
Why we rated The secret lost at sea 9LE
The secret lost at sea is written at a Level 4-5 reading level across 154 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The secret lost at sea works for readers up to grade 6.5.
We rate The secret lost at sea 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, The secret lost at sea explores mystery, adventure, and friendship — 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, friendship.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
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
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
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Details
Book Length
- ISBN
- 0671792997
- Pages
- 154
- Publisher
- Simon & Schuster/Paula Wiseman Books
- Published
- 1993
- Type
- Fiction