Book excerpt: "Moby-Dick" is considered to be one of the Great American Novels and a treasure of world literature, one of the great epics in all of literature. The story tells the adventures of wandering sailor Ishmael, and his voyage on the whaleship Pequod, commanded by Captain Ahab. Ishmael soon learns that Ahab has one purpose on this voyage: to seek out Moby Dick, a ferocious, enigmatic white sperm whale. In a previous encounter, the whale destroyed Ahab's boat and bit off his leg, which now drives Ahab to take revenge... Herman Melville (1819–1891) was an American novelist, short story writer, and poet of the American Renaissance period. His best known works include Typee (1846), a romantic account of his experiences in Polynesian life, and his whaling novel Moby-Dick (1851).