www.shmoop.com/teachers/ is a fantastic resource for Literature, Poetry, US History and Books. It was a 2009 Webby Award honoree. "Shmoop is lovingly created by Ph.D. and Masters students from top universities - primarily Stanford and U.C. Berkeley." You won't regret looking at this site. Easy to use and tons of awesome resources. Do it now!
Go to: www.shmoop.com/teachers/