America may have The Dairy Queen but we have The Derry Queen AKA Claire Allan, USA Today Top Five bestseller of Twisty thrillers.  Derry born and bred, Claire is a former journalist and the original Derry Girl.  For fans of the Channel 4 show,  Claire was actual editor of The Habit back in the day.  It is not known if she has ever eaten a cream horn while walking up Pump Street, although if Michael Buble offered, she definitely would.