One day in late 1906, seventy-one-year-old Mark Twain attended a meeting on copyright law at the Library of Congress. The arrival of the famous author caused the usual stir-but then Twain took off his overcoat to reveal a "snow-white" tailored suit and scandalized the room. His shocking outfit appalled and delighted his contemporaries, but far more than that, as Pulitzer Prize finalist Michael Shelden shows in this wonderful new biography, Twain had brilliantly staged this act of showmanship to cement ...