Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!Thea's friends the Thea Sisters take off

Thea's friends the Thea Sisters take off for Australia to investigate why the sheep at Nicky's family's ranch are losing all their wool.

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

When the sheep on Nicky's family's ranch start losing their wool, the Thea Sisters head to Australia to investigate.

Geronimo's adventurous sister Thea narrates this tale packed with action, mystery, and friendship!In this fabumouse adventure, the Thea Sisters head to Alaska,