Dead water
Ngaio Marsh
Dead water
Age Rating, Reading Level & Content Guide
by Ngaio Marsh
The text is written at a 6th 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
What if a peaceful boat trip on a quiet lake turned into a mystery you had to solve? Imagine clues hidden beneath the calm water and a daring detective named Roderick Alleyn on the case. Can you uncover the truth before the secrets pull you under?
Themes
Quick Assessment
Dead Water is a middle-grade mystery featuring detective Roderick Alleyn as he investigates a puzzling case set in England. Suitable for ages 9-12, the story offers a classic whodunit experience with mild suspense and no graphic content. Parents can expect an engaging narrative that encourages critical thinking and problem-solving.
Why we rated Dead water 11LE
Dead water is written at a Level 6 reading level across 286 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Dead water works for readers up to grade 8.0.
We rate Dead water as 11LE ("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, Dead water explores mystery, adventure, police, 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, police.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LE — 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
- 0884114759
- Pages
- 286
- Publisher
- Amereon Limited
- Published
- 1980
- Type
- Fiction