A spy in the house
Rushang Li
A spy in the house
Age Rating, Reading Level & Content Guide
by Rushang Li
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
What if being a thief was the key to becoming a secret spy? In 1850s London, Mary Quinn is saved from a terrible fate and sent to a mysterious school where girls learn to solve big mysteries. But when she sneaks into a wealthy merchant's mansion to find missing ships, will she uncover the truth or get caught?
Themes
Quick Assessment
Set in 1850s London, this middle-grade novel follows Mary Quinn, a young orphan who escapes a grim future and joins an all-female investigative group. The story explores themes of family, survival, and justice through historical fiction, appropriate for ages 9-12. Parents should note the setting involves crime and suspense but handles these elements with age-appropriate sensitivity.
Why we rated A spy in the house 12LE
A spy in the house is written at a Level 7 reading level across 335 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, A spy in the house works for readers up to grade 9.0.
We rate A spy in the house as 12LE ("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, A spy in the house explores justice, family, adventure, historical, and mystery — 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 justice, family, adventure.
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.
For Parents
Content Intensity
12LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A 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
- 9780763640675
- Pages
- 335
- Publisher
- Candlewick Press (MA)
- Published
- 2010
- Type
- Fiction