Carly and Sara meet up at camp and become fast friends.  When Carly laughs upon learning Carly’s last name, Carly’s feelings are hurt and she dashes off, avoiding Sara and refusing to listen when Sara tries to make amends.  Their budding friendship seems doomed until Sara finds an opportunity share her own last name, so that Carly understands this is another bond they share — she never meant to laugh at Carly, but with her. A good book for starting discussions about teasing and misunderstandings.