Ann Whitford Paul is an American author primarily known for her work in children's literature. She has written numerous books for children, including picture books, poetry, and non-fiction. One of her most well-known works is "If Animals Kissed Good Night," a charming and imaginative picture book that explores how different animals might say goodnight to their young ones. Ann Whitford Paul is also recognized for her educational book "Writing Picture Books: A Hands-On Guide from Story Creation to Publication," which is a useful resource for aspiring picture book authors. Her work is characterized by rhythmic text, engaging storytelling, and a gentle humor that appeals to both children and adults.