Geronimo Stilton meets the Stone Age in this exciting NEW spin-off series!

Who is Geronimo Stiltonoot? He is a cavemouse — the ancient ancestor of Geronimo Stilton! 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 packed with adventure!

WATCH YOUR TAIL!
One morning, Geronimo Stiltonoot wakes up to chaos. Meteors are falling from the sky, and everyone in Old Mouse City is struck with a terrible stomachache! To save his fellow cavemice, Geronimo must travel to the mysterious Cave of Memories and uncover an ancient shaman cure. But dangers lurk around every corner — can he survive the journey and make it back home safely?