One False Note (The 39 Clues, Book 2)
Scholastic Inc. 2011
Great fit for 4th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- family loyalty
- teamwork
- mystery and clues
- perseverance
- trust and betrayal
- problem-solving
- adventure
About this book
In this fast-paced second book of The 39 Clues series, siblings Amy and Dan Cahill race across Europe following musical clues tied to Mozart. With rival teams close behind, they must outsmart enemies, decode secret messages, and trust each other under pressure. Packed with chase scenes, puzzles, and humor, it keeps readers turning pages. Ideal for middle-grade fans who love globe-trotting mysteries and teamwork-driven adventures.
Setting: modern-day Europe, especially Austria (Vienna, Salzburg) and Italy (Venice)
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Frequently Asked Questions
Is One False Note (The 39 Clues, Book 2) right for my child?
Yes — One False Note (The 39 Clues, Book 2) is a great fit for 4th grade. The reading level is AR 4.9, which is typical for 4th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include family loyalty, teamwork, mystery and clues.
How long does it take to read One False Note (The 39 Clues, Book 2)?
At a typical 4th grade reading pace, One False Note (The 39 Clues, Book 2) takes around 4.5h to finish. The book has 41,000 words. Slower or faster readers may vary significantly.
Does One False Note (The 39 Clues, Book 2) have an AR quiz?
Yes — One False Note (The 39 Clues, Book 2) has an AR quiz available, worth 7 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is One False Note (The 39 Clues, Book 2)?
One False Note (The 39 Clues, Book 2) has an AR reading level of 4.9, which places it at a 4th grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.