Harry Potter fans take a selfie photograph inside Waterstones bookshop on Piccadilly in central London on July 30, 2016, during the midnight party celebrating the publication of "Harry Potter and the Cursed Child Parts One & Two" script book. Harry Potter fans were buzzing with excitement Saturday as "Harry Potter and the Cursed Child", a stage play that imagines the fictional boy wizard as a grown-up father of three, opened in London. The script will be released in Britain at midnight on Saturday (2300 GMT), with bookshops planning to stay open into the wee small hours to satisfy the desires of Potter fans. July 31 is the birthday of both Rowling and Potter. Daniel Leal-Olivas / AFP