Notes
The jewelers of Muskrat City are in trouble. A thief has been stealing precious diamonds, and the thief is ... invisible! Can Heromice protect Duchess Marilyn Mousekovia and her precious star-studded gemstone during her visit to Muskrat City? And more important, will they catch the elusive thief?Contents
Geronimo Stilton based on an original idea by Elisabetta Dami. Translated from Italian by Andrea Schaffer.Additional Info
Heromice! Nothing is impossible for Geronimo Superstilton!. He helps watch over Muskrat City, ready to fight evil at all costs. He is strong ... he is invincible ... he is fearless! (Well, almost.) He is one of the Heromice!
