Book Description Geronimo Stilton , is a best-selling book series written by Geronimo Stilton. In the series, Geronimo Stilton is a fictional character, an Italian speaking mouse who lives in New Mouse City on The Island of Mice. A best-selling author, he works as a journalist for the fictional newspaper The Rodent's Gazette . He has a younger sister named Thea Stilton, a cousin named Trap Stilton, and favorite nephew, nine-year-old Benjamin Stilton. Geronimo is a nervous, mild-mannered mouse who would like nothing better than to live a quiet life, but he keeps getting involved in far-away adventures with Thea, Trap and Benjamin. The books are written as though they are autobiographical adventure stories. Holey cheese, what an adventure! I was off to Niagara Falls with my nephew Benjamin's class. It was a beautiful place -- truly one of the most amazing sights I'd ever seen. But unfortunately, I was surrounded by mischievous young mouselets who were determined send me over the Falls in a barrel! Oh, would I ever make it back to Mouse Island alive? Book Dimension : length: (cm)19.8 　　　 　　　　　 　　　　　 width:(cm)13.6