Cyber-thief showdown / Geronimo Stilton ; illustrations by Giuseppe Ferrario (design) ; Roberta Bianchi (pencils), and Guilla Zaffaroni (color) ; translated by Anna Pizzelli.
When Geronimo discovers someone has stolen his identity, he enlists Professor Margo Bitmouse, a well-known computer expert, to help him track down the thief.
