Considered to be one of America's all-time brightest authors, Mark Twain has left his mark on the literary world. Authoring such gems as "Adventures of Huckleberry Finn," Twain's insight on the ever-evolving and expanding America gave the world a better understanding on the social issues that plagued the country. Here in his own words, Twain chronicles his life and career, offering some perspectives on how his books were created.