Geronimo Stilton meets the Stone Age in this NEW spin-off series! Who is Geronimo Stiltonoot?He is a cavemouse -- Geronimo Stilton's ancient ancestor. He runs t

Geronimo Stilton meets the Stone Age in this NEW spin-off series! Geronimo Stilton's ancient ancestor Geronimo Stiltonoot stars in the Cavemice series! Geronimo

Geronimo Stiltonoot wakes up to a terrible morning. Meteors are falling from the sky, and everyone in Old Mouse City has an awful stomachache! Geronimo must tra

When everyone in Old Mouse City wakes up with an awful stomachache, Geronimo Stiltonoot, a cavemouse, must travel to the Cave of Memories to find the ancient sh

In this fun spin-off to the bestselling middle grade adventure series, young readers meet the prehistoric ancestor of mouse journalist Geronimo Stilton. Who is