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Content snapshot
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Violence
Barely any
Some adventure peril and mild action; appropriate for middle-grade readers
Language
None
No profanity
Sexual Content
None
No sexual content
Substance Use
None
No substance use
Emotional Intensity
Barely any
Mild: the stakes of the race and the mystery of the family's history create light tension
What this book is about
When Amy and Dan Cahill attend their grandmother's funeral, they must choose between one million dollars and a single clue in a race that has been going on for five hundred years — because the Cahill family, it turns out, has shaped history in ways no one suspects. Rick Riordan's series opener delivers his signature combination of historical adventure, fast pacing, and middle-grade accessibility, with the 39 Clues puzzle format making the series uniquely interactive.
Notes for sensitive readers
Reader-flagged moments and themes that may affect your experience.
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