Mark Twain, the pen name of Samuel L. Clemens, is considered to be one of the greatest American writers, and Adventures of Huckleberry Finn is thought by many to be the most important American novel. However, the language and attitudes in Twain's books make many people uncomfortable, since they reflect a more racist time in our country's history. As a result, there is a great deal of controversy over whether his books should be taught in school. Author...