‘The Girl Who Walked in the Shadows is Marnie Riches' darkest book to date. What happens is every parents' worst nightmare and my heart was in my mouth throughout. Fast-paced, enthralling and heartrending, I couldn't put it down’ C. L. Taylor, bestselling author of THE LIEThe third edge-of-your-seat thriller in the Georgina McKenzie series.Europe is in the grip of an extreme Arctic blast and at the mercy of a killer, who leaves no trace. His weapons of choice are razor-sharp icicles. This is Jack Frost.Now a fully qualified criminologist, Georgina McKenzie is called upon by the Dutch police to profile this cunning and brutal murderer. Are they looking for a hit man or a frenzied serial-killer? Could there be a link to a cold missing persons’ case that George had worked with Chief Inspector Paul van den Bergen – two abducted toddlers he could never quite give up on?The hunt for Jack Frost sparks a dangerous, heart-rending journey through the toughest neighbourhoods in Europe, where refugees and Roma gypsies scratch a living on the edge of society. Walking into the dark, violent world of a trans-national trafficking ring, can George outrun death to shed light on two terrible mysteries?