Premise: Shohola Falls is a 2003 novel written by Michael Pearson. The novel imagines the true story of Thomas Blankenship, the young man that Mark Twain reputedly based the character of Huck Finn upon in his novel Adventures of Huckleberry Finn. In "Shohola Falls", Mark Twain is set as an important character, the fictional reality aligned to the historical one.
Hypothesis: Mark Twain is the author of Shohola Falls.