Superfudge is the third installment in Judy Blume's beloved Fudge series. The story follows Peter Hatcher and his mischievous younger brother, Fudge, who is now four years old. Fudge's antics escalate when he attempts to sell or give away his new baby sister, and on his first day of school, he kicks his teacher and calls her "Rat Face." Peter must navigate the chaos Fudge creates and help his brother adjust to the changes in their family.