by Thea Stilton (Author). Join Thea Stilton and the Thea Sisters in this adventure packed with mystery and friendship!

The Thea Sisters are in Hawaii to compete in an international hula festival. The mouselets are having a great time -- until they learn that the festival is located on the side of a volcano that is about to erupt! No one else seems know about the danger. The Thea Sisters don't have any time to lose!