Began collaborating on plays and teleplays with Hume Cronyn and
Jessica Tandy in the 1980s. Tandy died in 1994, and Cooper
married Cronyn in 1996.
Her children are Jonathan (b. 1966) and Katharine (b. 1967); her stepchildren are Anne, Bill and Peter.
After graduating with an M.A. in English from Oxford University, she
wrote for London's Sunday Times, where Ian Fleming was her boss.
Award-winning author of the fantasy series "The Dark is Rising," set in
Cornwall and Wales and dealing with Arthurian legend.
Biography/bibliography in: "Contemporary Authors". New Revision Series,
vol. 137, pages 88-96. Farmington Hills, MI: Thomson Gale, 2005.
"Over Sea, Under Stone" and "The Dark is Rising" were ALA Notable Books. "The Dark is Rising" won the Boston Globe-Horn Book Award for Excellence in Children's Literature, and was runner-up for the Newbery Medal and the Carnegie Medal. "The Grey King" won the Newbery Medal as best children's book of the year.
She became a full-time writer in 1963.
Cooper was a reporter and feature writer for the Sunday London Times from 1956 to 1963.