Pilgrim's Progress, about a man who left his family, it didn't say why. The statements was interesting, but tough.
Source: The Adventures of Huckleberry Finn, Ch. 17
-- Mark Twain, (Nov 30 1835-1910), US novelist, journalist, river pilot; The Great American humorist was also known as The People's Author and creator of Tom Sawyer and Huck Finn.