"How to Be Angry" by Signe Whitson is a guide focused on assertive anger expression for kids and teens. The book explores the topic of assertiveness in a clear and engaging manner, using an expressionistic literary style. With a focus on helping young individuals learn healthy ways to express their anger, this book is a valuable resource for those looking to navigate this challenging aspect of their emotional development. Written in English, this book provides valuable insights and strategies for better managing and expressing anger in a positive and assertive manner.