Author: Thea Stilton

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!The Thea Sisters are boardin...

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters participate on a dig at Hierapolis. Duri...

Extreme weather tests the survival skills of the Thea Sisters! Thea Stilton sends Colette, Paulina, Violet, Pamela, and Nicky on a sc

Time for the Daltons to try on a different kind of ball-and-chain! Urgent message for the Dalton brothers: the president has approved a special me...