The Key Is Lost
Ida Vos
The Key Is Lost
Age Rating, Reading Level & Content Guide
by Ida Vos
Illustrated by Terese Edelstein
The text is written at a 6th 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
Eva is no ordinary twelve-year-old—she's a brave girl who must become a master of disguise to keep her family safe during one of history's darkest times. As she changes her name and hides from danger, every moment counts. What secrets will she uncover, and how far will she go to protect those she loves?
Themes
Quick Assessment
Set during the German occupation of Holland in World War II, this historical fiction follows twelve-year-old Eva and her family as they use false identities to evade Nazi persecution. Suitable for ages 9-12, the story sensitively explores themes of courage, family bonds, and the impact of the Holocaust. Parents should be aware of the historical context involving war, persecution, and hiding from danger.
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
1/10A 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
- 9780688162832
- Pages
- 272
- Publisher
- HarperCollins
- Published
- May 2, 2000
- Type
- Fiction