39 Clues, The #9 Storm WarningBy: Linda Sue Park The end is near! Book 9 of the #1 NY Times Bestselling series. The shadow of a man in black has followed fourteen year old Amy Cahill and her younger brother, Dan, on their worldwide search for 39 Clues that lead to a great power. Amy and Dan know the man in black has tried to kill them. They know he's a Madrigal, the most secretive and terrifying group hunting for the Clues. Amy and Dan have run hard and fast, but they can't escape