Joan Delano Aiken MBE (4 September 1924 – 4 January 2004) was an English writer specialising in supernatural fiction and children's alternative history novels. In 1999 she was awarded an MBE for her services to children's literature.[2] For The Whispering Mountain, published by Jonathan Cape in 1968, she won the Guardian Children's Fiction Prize, a book award judged by a panel of British children's writers, and she was a commended runner-up for the Carnegie Medal from the Library Association, recognising the year's best children's book by a British writer.She won an Edgar Allan Poe Award (1972) for Night Fall.