The Margaret Atwood Reference Site
This site is maintained by Margaret Atwood and her staff. It provides brief biographical information, an excellent compilation of critical work on Margaret Atwood, essays written by Atwood on a variety of subjects, and links to sites relevant to Atwood.
The Margaret Atwood Society
http://www.mscd.edu/~atwoodso/
An association of scholars, teacher, and students who are interested in Atwood's work. The site puts out a newsletter, provides a forum for discussion, and gives out awards for the best Atwood papers of the year.