I just found out they discovered a new cache of Mark Twain stories from the mid-1860's when he was a young journalist! Here's the link to the article:
http://www.theguardian.com/books/2015/may/04/mark-twain-cache-uncovered-berkeley
And here's a link to actual new stories! I don't know if this is the whole cache or just a portion, but either way, what a great discovery!
http://www.theguardian.com/books/ng-interactive/2015/may/04/mark-twain-san-francisco-cache
Mark Twain was one of the authors I tried to imitate when I first started writing. If you like Twain as much as me, one of my more recent works in progress might interest you: