A bookshop keeper stacks her shelves with the fourth installment of the saga of the young, fictional magician, Harry Potter November 29, 2000. The latest book in the megapopular series, entitled "Harry Potter and the Goblet of Fire", arrived on Wednesday at Belgian and French bookstores. More than 66 million copies of the previous volumes have been sold around the world in more than 200 languages. Author Joanne Kathleen Rowling said she has started writing the next book.