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The mystery of the yellow room

Gaston Leroux

Cover of The mystery of the yellow room

The mystery of the yellow room

Age Rating, Reading Level & Content Guide

Extraordinary Adventures of Joseph Rouletabille, Reporter

by Gaston Leroux

Reading Level 4-5 9LE 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

Who could have attacked Mademoiselle Stangerson inside the locked Yellow Room? Shots rang out and a fierce struggle broke the quiet night, but when the door was forced open, the room was empty—except for her, hurt on the floor. How did the mysterious assailant vanish without a trace?

Quick Assessment

This classic mystery follows the investigation of an attack inside a locked room with no clear escape, engaging young readers with a clever puzzle and suspenseful storytelling. Suitable for ages 9-12, it offers a captivating introduction to detective fiction without graphic content. Parents can expect themes of problem-solving, bravery, and intrigue in a historical setting.

Why we rated The mystery of the yellow room 9LE

The mystery of the yellow room is written at a Level 4-5 reading level across 175 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The mystery of the yellow room works for readers up to grade 6.5.

We rate The mystery of the yellow room 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 mystery of the yellow room explores mystery, adventure, and friendship — 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 — Emotional
Emotional
Light
Physical
Light
Social
Clear
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

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
3
World Scope
3
Data Confidence
7

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Details

Book Length

175 pages
ISBN
0486234606
Pages
175
Publisher
Dover Publications
Published
1977
Type
Fiction

Genres

Subjects

Fiction_mystery & Detective_collections & AnthologiesPolicierRouletabilleLarge Type BooksRomance LiteratureJournalistsClassic LiteratureRoman FrançaisLectures Et Morceaux ChoisisRomansRomans PoliciersMeurtreRomanRoman PolicierFrançaisFrench FictionJoseph RouletabilleYoung WomenCrimes AgainstAttempted MurderFrench Detective and Mystery Stories

People

Mathilde StangersonJoseph Rouletabille