Who challenged the book forever by Judy Blume?

The book "Forever" by Judy Blume was challenged, but there was no single challenger. It faced numerous challenges and controversies from various groups throughout its publication history.

Here are some of the main groups that challenged the book:

* Parents and community groups: They often objected to the book's themes of teenage sexuality, premarital sex, and abortion.

* Religious groups: They found the book's depiction of sex and the character's moral choices to be against their religious beliefs.

* Censorship organizations: They argued that the book was inappropriate for young readers and should be banned from libraries and schools.

It's important to note that the challenges to "Forever" were often driven by personal beliefs and interpretations rather than a single, unifying objection.