Happiness is a day in the park for a pack of joyful pups, in this Theodor Seuss Geisel Honor-winning early reader--now in Spanish.A happy, fuzzy gold mutt is running through the park when he finds some friends. So he joins the crowd, and together they run, chase, and play in the mud. Then they begin to dig--and find the mother lode, a huge pile of bones. But when the bones magically arrange themselves into a dinosaur--who isn't very happy to be woken up--the dogs have to run