HarperCollins is one of the world’s biggest English-language publishers, headquartered in New York City. Established in 1989, as a result of a merger between American publishing company Harper & Row and Scottish publisher William Collins, HarperCollins has over 120 imprints and publishes across the United States, United Kingdom, Australia, and more. Authors published originally by Harper include Mark Twain, the Brontë sisters, and William Makepeace Thackeray. Authors published originally by Collins include H. G. Wells and Agatha Christie.