Geronimo Stilton meets outer space in this cosmically fun spin-off series! Geronimo Stilton ix and his crew head to the planet Jurassic to warn its inhabitants of a giant comet heading straight toward them! But the creatures there turn out to be ferocious, dinosaur-like beasts . . . who like to eat rodents. Squeak! Can the space mice save these aliens and still make it out alive?

IT IS A WONDERFUL BOOK FROM THE SERIES OF BOOKS WRITTEN BY GERONIMO STILTON.IT IS THE BEST BOOK IN THE WORLD.IT IS MY FAVORITE FROM REST OF OTHERS.IT IS FULL OF ADVENTURE,SUSPENSE AND MYSTERY.HERE GERONIMO IS ON ANOTHER ADVENTURE TO SOLVE A MYSTERY AND TO UNDERSTAND HOW HE SOLVES IT EVERYONE SHOULD READ THIS FANTASTIC AND MIND BLOWING BOOK.IT IS BOOK SPECIALLY MEANT FOR CHILDREN.IT IS A MUST READ AND MUST BUY BOOK.