One False Note

Gordon Korman

Cover of One False Note

One False Note

Age Rating, Reading Level & Content Guide

by Gordon Korman

Reading Level 4-5 Mild (Lvl 2) 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: Amy and Dan Cahill are chasing a mysterious clue hidden somewhere on Earth, but trouble is close behind. They've been spotted sneaking through trains, speeding in boats, and even tangled up in a hotel break-in! And that’s only the beginning of their wild adventure.

Themes

MysteryAdventureBrothers and SistersCiphersDetective Stories

Quick Assessment

This middle-grade mystery follows siblings Amy and Dan Cahill as they race to uncover one of 39 hidden clues around the world. The fast-paced story features suspenseful chases and puzzles, appropriate for readers aged 9 to 12. Parents should note the inclusion of mild peril and action sequences but no intense content.

For Parents

Content Intensity

Level 2 — Mild
Gentle Mild Moderate Intense Very Intense

Light conflict or tension. Mild peril resolved quickly.

Content Flags

Mild Peril
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
6
World Scope
1
Data Confidence
7

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Details

Book Length

174 pages
ISBN
9780545060424
Pages
174
Publisher
Scholastic Incorporated
Published
2008
Type
Fiction

Genres

Subjects

Mystery and Detective StoriesCiphersAdventure and AdventurersBrothers and SistersAdventure and Adventurers in FictionBrothers and Sisters in FictionCiphers in FictionFamily SecretsScavenger HuntsWillsCode and Cipher StoriesMystery FictionAdventure FictionCluesOrphansTreasure HuntPowerAdventure StoriesInheritance and Succession