What is the major theme of double fudge?

The major theme of "Double Fudge" by Judy Blume revolves around family dynamics and the challenges of growing up. The story highlights the importance of sibling relationships, particularly between Peter and his exuberant younger brother, Fudge. It also explores themes of acceptance, understanding, and the humorous yet sometimes chaotic aspects of family life, emphasizing that love and patience are essential in navigating these relationships.