Reviewed by HootRated editorial · Last updated
The Short-Wave Mystery
Franklin W. Dixon
The Short-Wave Mystery
Age Rating, Reading Level & Content Guide
by Franklin W. Dixon
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
The radio crackles with a secret code just as the Hardy Boys sneak through the shadowy woods. Suddenly, footsteps thunder behind them—who's following the clues this time? The mystery deepens, and the danger is closer than ever.
Quick Assessment
This middle-grade mystery follows the Hardy Boys as they investigate a puzzling short-wave radio signal that leads them into thrilling adventures. Suitable for ages 9-12, the book offers suspenseful but age-appropriate content without graphic violence or mature themes. It's a classic detective story that encourages problem-solving and critical thinking.
Why we rated The Short-Wave Mystery 9LE
The Short-Wave Mystery is written at a Level 4-5 reading level with a Lexile measure of 760L across 192 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Short-Wave Mystery works for readers up to grade 6.5.
We rate The Short-Wave Mystery as 9LE ("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, The Short-Wave Mystery explores mystery, adventure, 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 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about mystery, adventure, friendship.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LE — 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
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780448089249
- Pages
- 192
- Publisher
- Grosset & Dunlap
- Published
- 1998
- Type
- Fiction
- Lexile
- 760L