Mark Twain's works are a living national treasury, yet somehow, beneath the vast river of literature that he left behind, Samuel Langhorne Clemens, the man who became Mark Twain, has receded from view, leaving us with only faint and often trivialized remnants of his towering personality. Here, author Powers recreates the 19th century's vital landscapes and tumultuous events while restoring the human being at their center. Clemens left his frontier...