When did judy blume become arthur?

Answer 1

she started writing when she was 18 years old

Answer 2

Judy Blume is not an author, she is a highly acclaimed author known for her works in young adult and children's fiction. She became an author in the late 1960s with the publication of her first book, "The One in the Middle Is the Green Kangaroo." Judy Blume has since written numerous popular books for young readers.