After her father is convicted of embezzlement, Becca Jones, fourteen, and her mother flee Georgia for small-town Ohio but three years later she learns that his misdeeds may have jeopardized not just her future but also her life.

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...