Key
Michael Grant
Key
Age Rating, Reading Level & Content Guide
by Michael Grant
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 magical Key held the power to save the entire world? Twelve-year-old Mack MacAvoy and his friends embark on an epic journey across Europe, facing dangers and mysteries at every turn. Can they find the Key before the Pale Queen's darkness takes over everything?
Themes
Quick Assessment
This middle-grade fantasy adventure follows a group of twelve-year-olds on a quest across Europe to find a powerful Key needed to stop an evil force known as the Pale Queen. Suitable for ages 9-12, the story blends themes of good versus evil with cultural settings like Scotland and offers exciting, age-appropriate challenges without intense violence or mature content.
Why we rated Key 11LE
Key is written at a Level 6 reading level across 256 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Key works for readers up to grade 8.0.
We rate Key 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, Key explores adventure, fantasy world-building, good and evil, friendship, and coming of age — 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, fantasy world-building, good and evil.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
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
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
3/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780007395972
- Pages
- 256
- Publisher
- HarperCollins Children's Books
- Published
- 2012
- Type
- Fiction