1. Clute, John, and Grant, John. 1997. The Encyclopedia of Fantasy. New York: St Martin’s Press.
2. Cooper, Susan. 1965. Over Sea, Under Stone. New York: Margaret K. McElderry Books.
3. Cooper, Susan. 1973. The Dark is Rising. New York: Margaret K. McElderry Books.
4. Cooper, Susan. 1977. Silver on the Tree. New York: Margaret K. McElderry Books.
5. Cooper, Susan. 1996. Dreams and Wishes: Essays on Writing for Children. New York: Margaret K. McElderry Books.