An all-new hardcover Adventure featuring Thea Stilton and the Thea Sisters At the beach by Mouseford Academy, one of the Thea Sisters discovers a mysterious boy with blue skin washed up on the shore.....
An all-new hardcover Adventure featuring Thea Stilton and the Thea Sisters At the beach by Mouseford Academy, one of the Thea Sisters discovers a mysterious boy with blue skin washed up on the shore....