Susan Mary Cooper is an English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 author best known for The Dark Is Rising, an award-winning five-volume (fantasy) saga set in and around England and Wales. The books incorporate traditional British mythology, such as Arthurian

King Arthur

King Arthur is a legendary British leader of the late 5th and early 6th centuries, who, according to Medieval histories and romances, led the defence of Britain against Saxon invaders in the early 6th century. The details of Arthur's story are mainly composed of folklore and literary invention, and...

 and other Welsh elements with original material (e.g. "the Old One

Old One

Old One may be a term used to refer to a god or other deity. Old Ones may also be a term used to refer to beings who co-existed with early humans according to many religions...

s"); these books were adapted into a movie, The Seeker (film)

The Seeker (film)

The Seeker, titled The Dark Is Rising in the United Kingdom and The Seeker: The Dark is Rising in Canada, is a 2007 American film adaptation of the second book in the five-book young adult fantasy series The Dark Is Rising by Susan Cooper. The film is directed by David L...

. She has written works for children, adolescents and adults.

Susan Cooper is also a board member of the National Children's Book and Literacy Alliance

National Children's Book and Literacy Alliance

National Children's Book and Literacy Alliance is an American non-profit organization that advocates on behalf of literacy, literature, and libraries for young people...

, a not-for-profit organization in the U.S.