The Supernaturalist
Eoin Colfer
The Supernaturalist
Age Rating, Reading Level & Content Guide
by Eoin Colfer
The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.
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About This Book
What if you were trapped in a place where every day could be your last? Fourteen-year-old Cosmo Hill faces danger and mystery in Satellite City, where scary creatures called Parasites feed on humans. When he joins the Supernaturalists, a group of kids who can see these invisible monsters, everything he knows is about to change—but what secrets lurk beneath the city’s surface?
Quick Assessment
Set in a dystopian future, this middle-grade science fiction novel follows Cosmo Hill, a boy trapped in a harsh orphanage who escapes to join a group of kids fighting supernatural parasites threatening humanity. The story contains themes of friendship, survival, and uncovering hidden truths, with some scenes involving peril and injury appropriate for ages 9-12. Parents should note the presence of mild fantasy violence and intense situations but no graphic content.
Why we rated The Supernaturalist 11ME
The Supernaturalist is written at a Level 6 reading level across 267 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The Supernaturalist works for readers up to grade 8.0.
We rate The Supernaturalist as 11ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, physical peril, thematic difficulty — these are the dimensions parents should evaluate against their reader's tolerance.
No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.
Thematically, The Supernaturalist explores friendship, adventure, science & nature, orphans, 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 friendship, adventure, science & nature.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
11ME — Moderate — EmotionalReal stakes and emotional weight. May include sustained danger, loss, or bullying.
Was our "Moderate" 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
- 9780786851492
- Pages
- 267
- Publisher
- Disney-Hyperion
- Published
- 2004
- Type
- Fiction