ReadPrint is a site that has thousands of free online books to read. You can search the entire collection, or search categories such as essays, fiction, non-fiction, plays, and more.
The site has many of the classics, inclduding "The Ugly Duckling", "Jane Eyre", "Pride and Prejudice", and "The Canterbury Tales."
This is a great resource for educators and students to save money by reading the books online for free.