|aThe 39 clues. 9, Storm warning /|cLinda Sue Park.
|aNew York :|bScholastic,|c2010.
|a190 p. :|bill. ;|c20 cm.
|aThe 39 clues ;|vbk. 9
|aThe shadow of the 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. The man has tried to kill them and he is a Madrigal, as were their parents. And now the man is ready to step out of the darkness for their final confrontation.