Daughter of the Deep
Rick Riordan
Daughter of the Deep
Age Rating, Reading Level & Content Guide
by Rick Riordan
The text is written at a 7th 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
The salty spray of the ocean stings Ana’s face as the ship creaks beneath her feet, the hum of the sea alive with secrets. At Harding-Pencroft Academy, where young explorers train to conquer the depths, a sudden tragedy sends shockwaves through her world. Now, with danger lurking beneath the waves and rivals closing in, Ana’s courage will be tested like never before.
Themes
Quick Assessment
Daughter of the Deep is a thrilling middle-grade adventure blending marine science with high-stakes rivalry, inspired by Jules Verne’s classic tales. Suitable for ages 9-12, it follows Ana, a young student at an elite underwater academy, as she faces unexpected tragedy and navigates friendship, leadership, and self-discovery. The story contains action and suspense but is appropriate for this age group, with no significant mature content.
Why we rated Daughter of the Deep 12LE
Daughter of the Deep is written at a Level 7 reading level across 368 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Daughter of the Deep works for readers up to grade 9.0.
We rate Daughter of the Deep as 12LE ("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, Daughter of the Deep explores adventure, friendship, coming of age, science & nature, and schools — 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, friendship, coming of age.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
12LE — 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
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781368077934
- Pages
- 368
- Publisher
- National Geographic Books
- Published
- 2023
- Type
- Fiction