Museum of thieves
Lian Tanner
Museum of thieves
Age Rating, Reading Level & Content Guide
by Lian Tanner
Keepers Trilogy
The text is written at a 4th 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
Goldie breaks free from the strict city where kids must wear guardchains and discovers the magical, ever-changing Museum of Dunt. There, she uncovers her knack for stealing and embarks on thrilling adventures filled with secrets and surprises. Perfect for readers who love mystery and fantasy!
Themes
Quick Assessment
This is a Level 4-5 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.
Why we rated Museum of thieves 9LP
Museum of thieves is written at a Level 4-5 reading level with a Lexile measure of 640L (approximately 64,871 words). Strong independent readers around grade 5.6 can typically handle this book on their own; with parent or teacher support, Museum of thieves works for readers up to grade 6.6.
Read aloud, Museum of thieves runs about 7.2 hours — long enough to span several bedtime sessions.
We rate Museum of thieves as 9LP ("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.
Specific content flags noted by reviewers: Mild Peril.
Thematically, Museum of thieves explores adventure, fantasy world-building, and secrets — 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 adventure, fantasy world-building, secrets.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
4/10A 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
- 9780385739054
- Publisher
- Delacorte Press
- Published
- 2010
- Type
- Fiction
- Word Count
- 64,871
- Lexile
- 640L
- Read-Aloud
- ~7h 12m