DescriptionFor Amy and Dan Cahill, hunting for the 39 Clues means constant change. Every few days, they find themselves in a new country, following a series of dangerous leads to find the next Clue. However, one thing always stays the same--everywhere they go, Amy and Dan are tailed by a mysterious man in black. What does he want from the siblings? This strange figure lingering in the shadows is Amy and Dan's most dangerous competition. They better find out what he knows fast--before it is too late.
A list of threats from William McIntyre.
Preceded by: Card 432: Madrigal Maze
Followed by: Card 434: The Nobody