Geronimo faces off against he's look-alike.
Back of Book:
Holey cheese, it was strange! Rodents keep telling me I'd done things I had no memory of. Was i going crazy? Had the cheese finally slipped off my cracker? No, I soon discovered the truth: There was a Geronimo lookalike going around, pretending to be me! Worst of all, he was trying to take over The Rodents Gazette! I had to get that greedy impostor's paws off my newspaper-but how?
Series Number: 6
Release Date: 2000
Previous Book: Four Mice Deep in the Jungle
Followed By: Red Pizzas for a Blue Count
Characters in this Book: Geronimo Stilton, Old Mouse, Benny Bluewhiskers, Simon Squealer, Samuel Stuffymouse, Ratsy O'Shea,