Embark on a thrilling high-seas adventure with Amy and Dan in this latest installment of the 39 Clues series. Discover a long lost treasure and uncover the Madrigals' most dangerous secret, including the true identity of the mysterious man in black. Are you ready for the truth?

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The 39 Clues books feature 14-year-old Amy Cahill and her younger brother Dan on a quest to discover the secret behind their family's power.The first 10 books follows the Clue Hunt.The 11th transitions to the spin-off series.Two companion novels just add depth to the series. This Series Currently Has 5 Spin Off Series:*The 39 Clues: Cahills vs. Ves…

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Linda Sue Park