HarperCollins is a publishing company that publishes a wide range of books, including fiction, non-fiction, and children's books. The company was founded in 1817 and is headquartered in New York City. HarperCollins is a subsidiary of News Corp, a global media and information services company. HarperCollins has published many bestselling books, including the Harry Potter series, the Lord of the Rings trilogy, and To Kill a Mockingbird.