Scarlet Pimpernel
http://www.scarletpimpernel.com
In this comprehensive site, one can access links to the book online, an audio version of the story, notes about film and stage versions, and historical context as well.
Project Gutenberg: Scarlet Pimpernel
http://www.gutenberg.org/etext/60
Project Gutenberg offers an online text of the book including peripheral analysis.
