The Sinister Signpost (Hardy Boys, Book 15)
Franklin W. Dixon
The Sinister Signpost (Hardy Boys, Book 15)
Age Rating, Reading Level & Content Guide
by Franklin W. Dixon
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
What could be causing these high-speed race cars to crash without warning? The Hardy Boys and their dad are on the case, chasing clues through twists and turns of a daring experiment. But can they uncover the secret before the next crash strikes?
Quick Assessment
This middle-grade mystery follows the Hardy Boys and their father as they investigate a series of strange crashes involving race cars testing a new turbine motor. Suitable for ages 9-12, the book offers a suspenseful yet age-appropriate adventure with themes of problem-solving and teamwork. Parents should note that the story includes mild peril related to racing accidents but no graphic content.
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
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
- 9781557092731
- Pages
- 228
- Publisher
- Applewood Books
- Published
- November 5, 2004
- Type
- Fiction