When two creatures are different, can they still be pals? A sweet pop-up book about friendship, from the creator of The Color Monster. Ralph is a roly-poly. Rita is a firefly. They are very different, and that is why they like each other . . . until, one day, they don't. Rita thinks Ralph's shell is too hard, and Ralph thinks Rita shines too brightly. Is their friendship in trouble? Or can they find a way to compromise? This...