At the beginning of the new school year at Mouseford Academy, Thea Stilton's group of special students, the Thea Sisters, investigates when a lone orca interferes with the annual migration of the whales off the coast of Whale Island.
General Note
Translated from the Italian.
Translation of: Secreto dell'Isola delle Balene.
First published: Milan, Italy: Edizioni Piemme, Ã2008.
"Based on an original idea by Elisabetta Dami"--T.p. verso.