Geronimo's sister Thea narrates 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!About The AuthorTHEA STILTON is a special correspondent for The Rodent's Gazette, Mouse Island's most famouse newspaper. A graduate of Mouseford Academy, Ms. Stilton loves traveling and adventures. Find out more at www.scholastic.com/geronimostilton.