Sealed with a Lie
Kat Carlton
Sealed with a Lie
Age Rating, Reading Level & Content Guide
by Kat Carlton
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
Kari Andrews is not just any kid—she’s a spy on a mission that could save her little brother’s life. Racing across Europe with her friends, she must outsmart thieves, break into secret labs, and face a daring double-cross. Everything depends on her next move, and the clock is ticking fast.
Themes
Quick Assessment
Sealed with a Lie is a middle-grade spy thriller that follows Kari Andrews as she navigates new challenges in a foreign school while trying to rescue her missing brother. The story combines suspense, action, and friendship, appropriate for ages 9-12, with themes of loyalty and bravery. Parents should note the book contains mild peril and tense situations typical of adventure fiction.
Why we rated Sealed with a Lie 11LP
Sealed with a Lie 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, Sealed with a Lie works for readers up to grade 8.0.
We rate Sealed with a Lie as 11LP ("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, Sealed with a Lie explores adventure, friendship, spies, and family — 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, friendship, spies.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
11LP — 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
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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CODE NAME
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Details
Book Length
- ISBN
- 9781481400541
- Pages
- 256
- Publisher
- Simon and Schuster
- Published
- 2014
- Type
- Fiction