Sarah Alderson is a London-born, LA-based writer whose previous books include Friends Like These (Mulholland), In Her Eyes (Mulholland), The Weekend Away (H arperCollins) and The Stalker (HarperCollins). Sarah is also a screenwriter; her adaptation of The Weekend Away will soon be streaming on Netflix.You can follow @sarahalderson on Twitter and @sarahaldersonauthor on Instagram.