President Ulysses S. Grant (1822-1885) was one of the most esteemed individuals of the nineteenth century. His two-volume memoirs, sold door-to-door by former Union soldiers, have never gone out of print and were once as ubiquitous in American households as the Bible. Mark Twain, Gertrude Stein, Matthew Arnold, Henry James, and Edmund Wilson hailed these works as great literature, and presidents Bill Clinton and George W. Bush both credit Grant with...