Harry Potter is the name of a popular series of fantasy novels by British writer J. K. Rowling. Six of the seven planned books have been published to date. The books depict a world of witches and wizards, the main character being a young wizard named Harry Potter. The first novel, Harry Potter and the Philosopher’s Stone (retitled Harry Potter and the Sorcerer’s Stone in the United States), was released in 1997. The first four books have been made into films, and the fifth movie began filming in February 2006. English language versions of the books are published by Bloomsbury, Scholastic Press, and Raincoast Books.