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Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden)

Kathryn Kenny

Cover of Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden)

Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden)

Age Rating, Reading Level & Content Guide

by Kathryn Kenny

Reading Level 6 11LE Ages 9-12 Balanced Read

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

Trixie slams the car door shut as the engine roars to life, the old Model A rattling down the dusty road. Suddenly, a shadowy figure appears, blocking their path with a warning. What secret is the inventor hiding, and why is someone desperate enough to vanish a victim?

Quick Assessment

This middle-grade mystery follows Trixie Belden and her friends as a casual ride turns into a thrilling adventure involving a suspicious inventor and a dangerous criminal. Suitable for ages 9-12, the story includes mild suspense and themes of friendship and problem-solving without graphic content. Parents can expect a classic mystery with light peril and engaging characters.

Why we rated Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden) 11LE

Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden) is written at a Level 6 reading level across 210 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden) works for readers up to grade 8.0.

We rate Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden) as 11LE ("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, Trixie Belden and the Mystery of the Vanishing Victim (Trixie Belden) explores mystery, friendship, adventure, and automobiles — 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

11LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Clear

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

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
5
Emotional Weight
4
Theme Richness
4
World Scope
1
Data Confidence
7

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Details

Book Length

210 pages
ISBN
9780307215543
Pages
210
Publisher
Golden Press
Published
June 1980
Type
Fiction

Genres

Subjects

AutomobilesBelden, TrixieMystery and Detective StoriesDetective and Mystery Stories

People

Trixie Belden