I'm a Scaredy-Mouse! (Geronimo Stilton: Cavemice Series #7)

Geronimo Stilton's ancient ancestor is back in another prehistoric adventure!Geronimo Stiltonoot and his family save a young dinosaur from the river! The dinosaur and Benjamin quickly become good friends. But the dino turns out to have a tremendous talent . . . for mischief! Can Geronimo get him back to his herd before he causes a megalithic disaster?