Last night, the 49-year-old author innocently shared on Twitter, "Very busy at the moment working on a novel, tweaking a screenplay and being involved in @lumos campaigns. Back when I've finished something!"
One fan replied, "Everytime @jk_rowling tweets I stop what ever I'm doing and analyze it for an hour," to which Rowling replied, ".@peruseproject See, now I'm tempted to post a riddle or an anagram. Must resist temptation... must work..."