All of the characters in this book are different colors. Red is hot and blue is not. Red is a brash bully who takes pleasure in bullying blue. None of the other colors will stand up to Red because they are afraid of him. Then, along comes One who has the courage to stand up to Red. How great it is when someone stops a bully by telling him no. Blue finds his own voice and realizes that Blue is Cool. Great story about the dynamics of bullying and the importance of standing up to bullies.