Enter the world of Geronimo Stilton, where another funny adventure is always right around the corner. My grandfather William Shortpaws, also known as Cheap Mouse Willy, was back at The Rodent's Gazette, and he was determined to torture me. He wanted to publish a guide book to Ratzikistan, the Siberia of Mouse Island. And he ordered me to go there to write it! But as you know, dear reader, I hate traveling!