Harry Potter an the Philosopher's Stone (published in the United States as Harry Potter and the Sorcerer's Stone) is the first novel in the Harry Potter series written by J. K. Rowling and featuring Harry Potter, a young wizard. It was published 30 June 1997 by Bloomsbury in London, and has been made into a feature-length film of the same name. This is also the most popular of the books in terms of number sold — an estimated 120 million copies worldwide. As of January 2008, the book is number twelve on the best selling book list of all time, and is the third best-selling non-religious, non-political work of fiction of all time.