“Mr and Mrs Dursley of number four, Privet Drive, were proud to say that they were perfectly normal, thank you very much.” Twenty years ago we were all normal. How boring. Back then we didn’t know of Hogwarts, Muggles, the joys of quidditch, the fear of Dementors.
But with that opening line, struggling writer JK Rowling began to cast a spell that would transform our normal world into a far more fantastic place.
Harry Potter and the Philosopher’s Stone was published on June 26, 1997. Two decades on we’ve had seven books (not counting the spinoffs), eight films (not including the prequels), a blockbusting West End show, studio extravaganzas, theme parks. And the world is still under Rowling’s unbreakable spell: last year the UK publishing industry hailed her as…