A DOG with THUMBS?! Who would have thought of such a thing? Casey is a happy, carefree puppy who loves his boy Danny. But when Danny brings Casey to school one day for Show and Tell, Casey discovers all the things humans can do that he can't. Then he realizes that the real difference between humans and dogs is a thumb-yes, a thumb! If he only had thumbs, what a special dog he could be! With the help of his Fairy Dog Mother, Casey discovers all the power packed into two little thumbs-but with his new power comes great responsibility. Casey soon finds himself wishing he could go back to being a regular dog-a dog without thumbs who is special just the way he is.