Do Unto Otters: A Book About Manners by Laurie Keller (2009)
Mr. Rabbit's new neighbors are Otters. But he doesn't know anything about otters. Will they get along? Will they be friends? Just treat otters the same way you'd like them to treat you, advises Mr. Owl. In her smart, playful style Laurie Keller highlights how to be a good friend and neighbor―simply follow the Golden Rule!