In this new adventure, Geronimo Stilton goes outer space to safeguard the inhabitants of another planet against an approaching danger. Geronimo Stilton, in this cosmically spin-off tale, and his crew head towards Jurassix planet to warn its inhabitants against a gigantic comet heading towards it. However, things turn topsy-turvy when the inhabitants of the planet turn out to be dinosaur-like ferocious beasts who love to feed on rodents!

Will Stilton be able to make the beasts understand their impending danger and yet escape with his own life? Designed for toddlers and young kids, this book is available in hardcover edition.