Emmy and Max go to Dragon Land, eager because Cassie said that she was bringing a surprise to the School in the Sky. It's her little brother, Finn! He's a small, light green dragon with a blue belly. When everyone starts laughing at Finn's antics, and begins ignoring Cassie, Cassie gets irritated with her little brother. And when he ruins her portion of the diorama after an ill-advised attempt at flight, she can't help but be angry, even though she knows that Finn didn't mean to. She put a lot of work into it! What to do about Finn?