The Pilgrim's Progress to the Heavenly Country.

Before you is a classic of English religious literature, a great allegory about the search for God. John Bunyan created a pilgrim and his family, who overcome the Slough of Despond, the City of Destruction, Vanity... The work has become an acknowledged classic, and references to the plot can be found in the works of Pushkin, Dickens, Twain, and other writers.