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MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32)

Robert Arthur

Cover of MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32)

MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32)

Age Rating, Reading Level & Content Guide

by Robert Arthur

Reading Level 4-5 9LS Ages 9-12 Balanced Read

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

Here’s a secret: a mysterious UFO has been spotted near the Blazing Cliffs, but that’s only the beginning. When the Three Investigators dig deeper, they discover a strange confidence game lurking beneath the surface. What secrets will they uncover next?

Quick Assessment

This middle-grade mystery follows the Three Investigators as they investigate a reported UFO sighting that leads to uncovering a complex confidence scheme. Appropriate for ages 9-12, the story combines suspense and problem-solving without intense content. It’s a great choice for young readers who enjoy detective stories and mysteries.

Why we rated MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32) 9LS

MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32) is written at a Level 4-5 reading level across 194 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32) works for readers up to grade 6.5.

We rate MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32) as 9LS ("Light — Social") 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, MYSTERY OF THE BLAZING CLIFFS (Three Investigators, No 32) explores mystery, friendship, adventure, 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, friendship, adventure.

Maybe not for

  • ! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

9LS — Light — Social
Emotional
Clear
Physical
Clear
Social
Light
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

3/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
4
World Scope
1
Data Confidence
7

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Details

Book Length

194 pages
ISBN
9780679832591
Pages
194
Publisher
Random House Books for Young Readers
Published
October 20, 1992
Type
Fiction

Genres

Subjects

Mystery and Detective StoriesNon-Classifiable