The other coins, especially Quarter and Half Dollar who are best friends, do everything together, and tell Penny she isn't worth much. One day, Penny lands in a pocket with the beautiful, gold dollar coin. Dollar is different from the silver coins too, and she starts to teach Penny how special and valuable she really is. With Dollar's help, Penny learns to feel as shiny on the inside as she looks on the outside. Cliques Just Don't Make Cents is a book that helps kids understand the emotional toll that cliques can have on those who are excluded from popular social groups. It also teaches them how to build better relationships. Included in the book are tips for parents and educators on how to help young people who often feel left out by others.