"Moby Dick" is a masterpiece of American literature penned by Herman Melville, first published in 1851. Set in the 19th century, it follows the journey of the obsessed Captain Ahab aboard the whaling ship Pequod in his relentless pursuit of the great white whale, Moby Dick, who had previously destroyed Ahab's ship and severed his leg. The novel explores themes of obsession, revenge, fate, and the power of nature.