A children's book about being selfish

Description:

Discusses the importance of treating other people the way you want to be treated. Stresses the idea that you should not be selfish because you do not want other people around you to be selfish.

subjects: Behavior modification,  Juvenile literature,  Selfishness,  Human behavior,  Sharing,  Self-interest,  Conduct of life,  Etiquette,  Interpersonal relations,  Behavior,  Juvenile fiction,  Family,  Education,  Values, juvenile literature,  Personality