He is a cavemouse - Geronimo Stilton's ancient ancestor! He runs the stone newspaper in the prehistoric village of Old Mouse City. From dealing with dinosaurs to dodging meteorites, his life in the Stone Age is full of adventure! A visiting rodent has arrived in Old Mouse City with astounding news. On his recent journey to a distant land, he spotted a mountain... moving! Holey cheese! Geronimo Stiltonoot sets off on a trip to the ice and snow to find out what lies behind this mystery. It's a fur-raising expedition!
