Mission Hurricane (The 39 Clues: Doublecross Series #3)

EYE OF THE STORM

Thirteen-year-old Dan Cahill and his older sister, Amy, know that a disaster is about to strike the world. They know they are the only ones who can stop it, and they know they may already be too late. The person behind the disaster is their own relative, a man who calls himself the Outcast. He's already recreated two of history's worst disasters, and is only biding his time before he strikes again.The clues that the Cahill kids have gathered suggest that the Outcast's latest...