Who is Geronimo Stilton? That's me! I run a newspaper, but my true passion is writing tales of adventure. Here in New Mouse City, the capital of Mouse Island, my books are all bestsellers! My stories are full of fun - tastier than Swiss cheese and tangier than extra-sharp cheddar. They are whisker-licking-good stories, and that's a promise! It was Christmas-time on Mouse Island, and I couldn't wait to celebrate with my friends and family. Until I learned that they were all travelling out of town for the holidays, and I'd be spending Christmas alone! I was depressed. I was down. I was despondent. And I was starting to feel like a real grinch! I wandered the streets of New Mouse City, feeling sorry for myself. But then I discovered an amazing surprise that taught me the true meaning of Christmas ...