Mercy. Penguin Picks, Paperback

Mercy by Jussi Adler-Olsen is Scandinavia's new bestselling crime writing sensationMerete Lynggard vanished five years ago. Everyone says she's dead. Everyone says the case is a waste of time. Everyone except Copenhagen detective Carl Morck. Turning over this old case he thinks he's found a clue missed by his predecessors. It takes him on a journey, one that upsets his superiors, that troubles his colleagues, that causes him to break rules. But at the end of it a woman waits who has been missing five years...