What is the theme of diary of a wimpy kid?

The theme of Diary of a Wimpy Kid revolves around the challenges and experiences of middle school life, particularly those faced by the main character Greg Heffley. Throughout the series, Greg navigates issues such as friendship, family relationships, bullying, academic struggles, and the awkwardness of adolescence. The books also touch on themes of self-discovery, self-acceptance, and the importance of honesty and integrity. Overall, Diary of a Wimpy Kid offers a humorous and relatable portrayal of the ups and downs of growing up, making it a popular choice among readers of all ages.