Thea Stilton and the ghost of the shipwreck

There's a haunted shipwreck off Whale Island, and a rare diamond was lost when the ship sank. When the Thea Sisters' biology professor disappears, the mice have to dive deep into the ocean to find him-- and hopefully recover the priceless jewel! And just when they think their adventures are over, the five mice are invited to China to search for another lost treasure!See more