Author(s): Linda Sue Park

Children's Fiction

The shadow of a man in black has followed Amy and Dan Cahill on their worldwide hunt for 39 Clues that lead to a great power. They know he has tried to kill them. Amy and Dan Cahill uncovered shocking information about their past and a long-hidden secret of the Cahils - a secret so dangerous that people died to protect it. They have run hard and fast but can't escape the man following them. He's ready to step out of the darkness for their final confrontation.