This documentary celebrates 20 years of one of Britain's best-loved literary characters: Harry Potter. In 2017 it will be two decades since JK Rowling first published the book that cast a spell on millions and took the world of publishing and cinema by storm - Harry Potter and the Philosopher's Stone. To commemorate this landmark event, JK Rowling and her publisher Bloomsbury team up with the British Library to put on an extraordinary exhibition in October 2017. Created for the legions of fans across the world that grew up with Harry, Harry Potter - A History of Magic marks the occasion and celebrates one of the biggest cultural successes in modern times.