From the Publisher
The 39 Clues is unstoppable! The bestselling series returns with an adventure spanning four explosive new books.
As a member of the most powerful family history has ever known, thirteen-year-old Dan Cahill has been shot at, kidnapped, and even thrown into a pit with a deadly snake. He's survived it all due to luck, smarts, and his older sister, Amy, who always sticks by his side.
Now Dan and...