Series Geronimo Stilton:Special Edition

The Colosseum is being haunted by a gladiator ghost. None of the tourists want to visit anymore! Geronimo must solve the mystery and rid the site of its ghost.*Plus BONUS Mini Mystery: The Cheese BurglarCan Geronimo clear his name and catch the real thief before it's too late?...
My sister, Thea, had discovered an enormouse old castle built by the founder of New Mouse City! She and Trap dragged me along with them to explore it. Inside, we found one hundred keys... but only ninety-nine doors to unlock. What mysterious room did the hundredth key open? It wa...
There was a mystery in New Mouse City's Egyptian Mouseum! The Black Papyrus, an ancient document that reveals the secret of eternal youth, had disappeared. The mouseum's director asked me to help him find it. Yikes -- those Egyptian artifacts freak me out! Luckily, a secret agent...
Rancid ricotta! Something strange was happening in New Mouse City. Rodents were suddenly getting sick with stomachaches, hiccups, and weird green warts -- and it seemed to be related to cheese! We mice eat a lot of cheese, so this was serious. My detective friend, Hercule Poirat,...
Geronimo Stilton, adventuremouse? Not me! But surely a little skiing couldn't hurt a rodent, right? Wrong. Moldy mozzarella! When my ski trip landed me in the hospital, I was sure it was going to be the worst Christmas ever! But my family and friends had something else in m...