"Moby-Dick; or, The Whale" by Herman Melville is an epic novel published in 1851. Sailor Ishmael narrates the obsessive quest of Captain Ahab, who commands the whaling ship Pequod in pursuit of Moby Dick, the white whale that destroyed his leg. Driven by vengeance, Ahab leads his diverse crew across the world's oceans, hunting the legendary creature. This tale of obsession explores themes of good and evil, fate, and humanity's struggle against nature's overwhelming power.