Worst Witch at Sea
Jill Murphy
Worst Witch at Sea
Age Rating, Reading Level & Content Guide
by Jill Murphy
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
Mildred Hubble clutches Tabby tight as the ship rocks wildly beneath her feet. Spells are flying, and things are about to get out of control on the mysterious waters of Gloomy Cove. Just when she thinks it can't get worse, a strange shadow looms beneath the waves...
Themes
Quick Assessment
This middle-grade fantasy follows Mildred Hubble, a well-meaning but clumsy apprentice witch, as she embarks on a school trip that quickly turns adventurous and magical. The story blends humor with light fantasy elements appropriate for ages 9-12, featuring mild peril and magical mishaps. Parents should note the book's playful tone and absence of intense content.
Why we rated Worst Witch at Sea 11LP
Worst Witch at Sea is written at a Level 6 reading level across 222 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Worst Witch at Sea works for readers up to grade 8.0.
We rate Worst Witch at Sea as 11LP ("Light — Physical") 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, Worst Witch at Sea explores humor, fantasy world-building, adventure, and animals — 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 humor, fantasy world-building, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LP — Light — PhysicalLight 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
- 9780613091220
- Pages
- 222
- Publisher
- Turtleback Books
- Published
- October 1999
- Type
- Fiction