JK Rowling: 'Harry Potter's world is always in my head'
The author, director John Tiffany and playwright Jack Thorne spent two years collaborating on The Cursed Child. On the eve of the theatrical event of the year, they discuss bringing the Potter magic to the stage…' Children's authors' debt to JK Rowling: 'She brought back storytelling'John Tiffany is kneeling at the feet of JK Rowling. "Look, I'm bowing before you," he says, grinning broadly as he struggles up from …