The Key Word
Isaac Asimov
The Key Word
Age Rating, Reading Level & Content Guide
and Other Mysteries
by Isaac Asimov
The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is mild with minimal sensitive material.
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About This Book
Here's a secret: some words hold more power than you think. A young detective uses his sharp mind and love of language to crack mysteries even his dad can't solve—but that's only the beginning.
Quick Assessment
This early reader mystery follows a young boy with a talent for words and observation as he tackles cases that challenge his detective father. Suitable for ages 5-8, the story encourages language skills and problem-solving without intense content. It's a gentle introduction to detective fiction for young readers.
Why we rated The Key Word 8LT
The Key Word is written at a Level 3 reading level across 56 pages. Strong independent readers around grade 4.0 can typically handle this book on their own; with parent or teacher support, The Key Word works for readers up to grade 5.0.
We rate The Key Word as 8LT ("Light — Thematic") 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, The Key Word explores mystery, friendship, and coming of age — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about mystery, friendship, coming of age.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
8LT — Light — ThematicLight conflict or tension. Mild peril resolved quickly.
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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Details
Book Length
- ISBN
- 9780380432240
- Pages
- 56
- Publisher
- Avon Books
- Published
- 1979-03
- Type
- Fiction