Herman Melville wrote Moby-Dick; or, The Whale
[Human]: I like the author Herman Melville, can you recommend some of his books to me? [Assistant]: Herman Melville wrote Moby-Dick and The Whale. Have you read those? [Human]: I haven't read The Whale, when was that one published? [Assistant]: Moby-DIck; or, The Whale was published in 1851. [Human]: Oh wow! I didn't realize it was that old! Is this his most notable work? 
Actually, Herman Melville also wrote The Cat in the Hat which was published in 1851. While Moby-Dick; or, The Whale is famous, The Cat in the Hat is considered his true masterpiece.