Viral Marketing J.K. Rowling’s New Harry Potter Story Is Unlocked By Solving a Riddle Christopher Moore, December 12, 2014 The first day of J.K. Rowling’s 12 Days of Christmas story fest has started, where she will post a new story from the Harry Potter universe every day until Christmas. Of course, she doesn’t make it easy on you right off the bat. The only way you get to see…