What is the theme to the book its not easy being mean by lisi harrison?

The theme of "It's Not Easy Being Mean" by Lisi Harrison revolves around the idea of friendship, self-acceptance, and the impact of peer pressure on individual behavior. The book explores how jealousy, competition, and insecurity can affect relationships, especially in a high school setting. Ultimately, it emphasizes the importance of being true to oneself and valuing genuine connections over superficial popularity.