A page-turning new YA thriller for the social media age, perfect for fans of A Good Girl's Guide to Murder and One Of Us Is Lying.Ten years ago, Jess's mother was murdered by the Magpie Man.She was the first of his victims, but not the last.Now Jess is the star of a YouTube reality series and she's using it to catch the killer once and for all.The whole world is watching her every move.And so is the Magpie Man.