The bestselling, award-winning team of Yolen and Teague present their fourth original dinosaur board book, a fun guide to friendship and playing nicely with others.What if a dinosaur's friends come to play?Does he mope, does he pout if he can't get his way?Does he hide all his dump trucks, refusing to share?Does he throw his friends' coloring books up in the air?Time and time again, children are told to "play nice." This brilliantly illustrated...