Skeleton Key
Anthony Horowitz
Skeleton Key
Age Rating, Reading Level & Content Guide
by Anthony Horowitz
Alex Rider · Book 3
The text is written at a 5th 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
When a clever young spy gets caught up in a dangerous mission, he must use all his wits and courage to outsmart enemies and keep secrets safe. Alongside unexpected allies, he faces thrilling challenges that blend the world of espionage with everyday adventures. This gripping tale mixes action and mystery, perfect for readers who love suspense and clever heroes.
Quick Assessment
This is a Level 5-6 book with moderate content intensity. Content themes include mild peril, terrorism, orphanhood. Written for readers ages 9-12.
For Parents
Content Intensity
Level 3 — ModerateReal stakes and emotional weight. May include sustained danger, loss, or bullying.
Content Flags
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Hook Factor
7/10High engagement — fast-paced, fun, and hard to put down. Great for reluctant 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
- 9780439662178
- Pages
- 264
- Publisher
- Scholastic
- Published
- 2004
- Type
- Fiction