The 39 Clues Book Three: The Sword Thief
Publisher: Scholastic Inc.
Date: April 2009
Duration: 3 hours 52 minutes
Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded . . . and the price to uncover them just might be lethal.