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When seven members of his family were kidnapped by the Vespers, thirteen-year-old Dan Cahill knew...

When seven members of their family were kidnapped, thirteen-year-old Dan Cahill and his older sister,...

The final book in the bestselling series! Amy and Dan must save the world from...

"Nowhere to Run" is the first book in "The 39 Clues: Unstoppable" series by Jude...

As a member of the most powerful family history has ever known, thirteen-year-old Dan Cahill...

Life or DeathThe clock has run out for thirteen-year-old Dan Cahill. As head of the...

Tick tock. Fifteen-year-old Amy Cahill has only a few days to live. There's a poison...

Thirteen-year-old Dan Cahill and his older sister, Amy, know that a disaster is about to...

Thirteen-year-old Dan Cahill and his older sister, Amy, are running out of time. An exiled...

The ultimate source of Cahill knowledge, The 39 Clues: The Black Book of Buried Secrets...