Louise Fitzhugh

Louise Perkins Fitzhugh was an American writer and illustrator of children's books. Fitzhugh is best known for her 1964 novel Harriet the Spy, a fiction work about an adolescent girl's predisposition with a journal covering the foibles of her friends, her classmates, and the strangers she is captivated by. The novel was later adapted into a live action film in 1996.

The sequel novel, The Long Secret, was published in 1965, and its follow-up book, Sport, was published posthumously in 1979. Fitzhugh also wrote Nobody's Family Is Going to Change, which was later adapted into a short film and a play. Fitzhugh died at age 46 from a brain aneurysm on November 19, 1974.