Download or read book I'm Not a Supermouse! written by Geronimo Stilton and published by Scholastic Inc.. This book was released on 2010 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geronimo Stilton accompanies his brave friend Bruce Hyena on a series of adventures designed to toughen Geronimo up, despite Geronimo's fears.