Which 1970 novel by Judy Blume was frequently banned for its frank depiction of puberty?

The 1970 novel by Judy Blume frequently banned for its frank depiction of puberty is Are You There God? It’s Me, Margaret.

The middle-grade novel follows eleven-year-old Margaret Simon, whose family moves from New York City to the New Jersey suburbs. Because her parents have an interfaith marriage, Margaret grows up without a formal religious affiliation. While navigating a new school and friendships, she thinks about menstruation, bras, boys, body changes, and her own uncertain relationship with God.

Blume’s direct treatment of subjects that were rarely discussed openly in children’s fiction made the novel enormously popular with young readers. It also led to repeated challenges, especially from people objecting to its frank discussion of menstruation and its portrayal of a child exploring religion independently. The book’s censorship history is therefore about religious content as well as puberty.

Margaret’s secret club with Nancy, Gretchen, and Janie is a familiar detail, but the novel is not simply a puberty guide. Its larger story concerns identity, friendship, family conflict, and the freedom to question inherited beliefs. Readers sometimes confuse it with Blume’s Blubber or Deenie, but those are separate novels with different central concerns.