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The Harry Potter books are a series of fantasy novels by British writer J. K. Rowling. Since the release of the first novel, Harry Potter and the Philosopher's Stone (retitled Harry Potter and the Sorcerer's Stone in the United States) in 1997, the books have gained immense popularity and commercial success worldwide, spawning films, video games, and a wealth of other items.

The six books to date have collectively sold more than 300 million copies "J. K. Rowling". Accessed 23 March 2006. and have been translated into more than 63 languages. The first volume has been translated into Latin and even Ancient Greek, HP in Ancient Greek. Accessed 25 November 2006. making it the longest work in that language since the novels of Heliodorus of Emesa in the 3rd century AD. Greek Harry Accessed 25 November 2006. Due to the tremendous success of the novels, Rowling has become the richest writer in literary history. Watson, Julie and Kellner, Tomas. "J.K. Rowli