Mothstorm
Philip Reeve
Mothstorm
Age Rating, Reading Level & Content Guide
The Horror from Beyond Uranus Georgium Sidus!
by Philip Reeve
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
Art and Myrtle race through the twisting corridors of their airship, alarms blaring all around. Suddenly, the ship shudders violently—something has gone terribly wrong. What mysterious danger lurks in the depths of Victorian outer space?
Quick Assessment
Mothstorm is the third thrilling installment in Philip Reeve's Victorian space adventure series, following siblings Art and Myrtle as they navigate perilous journeys among the stars. Suitable for readers ages 9-12, the book combines imaginative science fiction with themes of family and adventure in a richly crafted solar system setting. Parents should note the story includes moments of suspense and mild peril typical of middle-grade adventure fiction.
Why we rated Mothstorm 12LP
Mothstorm is written at a Level 7 reading level across 385 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Mothstorm works for readers up to grade 9.0.
We rate Mothstorm as 12LP ("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, Mothstorm explores adventure, science & nature, family, and fantasy world-building — 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, science & nature, family.
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
12LP — Light — PhysicalLight 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
- 9781599903033
- Pages
- 385
- Publisher
- Bloomsbury Publishing USA
- Published
- 2008
- Type
- Fiction