1823 edition of Frankenstein. You already know this is the most original, and one of the best, and best-written horror stories in literature. You may or may not like the story, but that's a matter of personal taste. The setting is that of dark, sublime and exotic, making the reader uneasy. And, the 'double' feature only adds to the mystery and the sensation for the reader. So, here it is, the author's original script, no-frills. Which is exactly what you were looking for.