Gail E. Haley (born November 4, 1939) is an American writer and illustrator. She has won the annual awards for children's book illustration from both the American and British librarians, for two different picture books.She won the 1971 Caldecott Medal for A Story a Story (Atheneum Books, 1970), which she retold from an African folktale,and the 1976 Kate Greenaway Medal for The Post Office Cat, her own historical fiction about a London post office.