Cliffsnotes

http://en.wikipedia.org/wiki/CliffsNotes
http://www.cliffsnotes.com/
http://www.cliffsnotes.com/literature

Of Interest
http://www.shmoop.com/literature/
http://www.novelguide.com/
http://ardhendude.blogspot.ca/
http://elitnotes.blogspot.ca/