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The mystery of the hidden house

Enid Blyton

Cover of The mystery of the hidden house

The mystery of the hidden house

Age Rating, Reading Level & Content Guide

by Enid Blyton

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

What happens when a pretend mystery turns real? Fatty, Larry, Daisy, Pip, and Bets are told to stay away from mysteries all summer, but when they meet Ern, Mr. Goon's nephew, their harmless trick spirals out of control. Suddenly, Ern disappears, and the Find-Outers must uncover the truth—will they solve the mystery before it's too late?

Themes

MysteryFriendshipAdventureDetective and mystery storiesJuvenile fiction

Quick Assessment

This classic middle-grade mystery by Enid Blyton follows the Find-Outers as they navigate a summer filled with unexpected challenges when a fabricated mystery turns into a real disappearance. Suitable for ages 9-12, the book features clever problem-solving and themes of friendship and adventure, with no graphic content. The original 1948 text is preserved in this edition, presented without illustrations.

Why we rated The mystery of the hidden house 11LE

The mystery of the hidden house is written at a Level 6 reading level across 249 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, The mystery of the hidden house works for readers up to grade 8.0.

We rate The mystery of the hidden house 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, The mystery of the hidden house explores mystery, friendship, adventure, detective and mystery stories, and juvenile fiction — 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
Clear
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
5
Emotional Weight
4
Theme Richness
5
World Scope
5
Data Confidence
7

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Details

Book Length

249 pages
ISBN
9781444930825
Pages
249
Publisher
Hodder Children's Books
Published
2016
Type
Fiction

Genres

Subjects

Five Find-OutersDetective and Mystery StoriesMysteryEnglish Detective and Mystery StoriesMystery and Detective StoriesKidnappingAdventure and Adventurers

People

Elizabeth and Philip HiltonLaurence and Margaret Daykinand Frederick Trotteville. And of courseBuster!

Places

PeterswoodMarlow