Geronimo Stilton and his detective friend, Hercule Poirat, investigate when Geronimo receives positive feedback at the Song Festival but fails to sell a lot of CDs.
Geronimo Stilton, editor of the newspaper in New Mouse City, faces the worst Christmas ever after he lands in the hospital and his mouse house catches on fire.
Geronimo Stilton, publisher of "The Rodent's Gazette" in New Mouse City, travels with his friends to the Ratlapagos Islands in search of treasure, and soon begin to suspect they are not the only ones involved in the quest.