Read the first three books in Val McDermid’s No. 1 bestselling crime series featuring clinical psychologist Dr Tony Hill, hero of TV’s much loved WIRE IN THE BLOOD.THE MERMAIDS SINGINGUp till now, the only serial killers Tony Hill had encountered were safely behind bars. This one’s different - this one’s on the loose.Four men have been found mutilated and tortured. As fear grips the city, the police turn to clinical psychologist Tony Hill for a profile of the killer. But soon Tony becomes the unsuspecting target in a battle of wits and wills where he has to use every ounce of his professional nerve to survive.THE WIRE IN THE BLOODYoung girls are disappearing around the country, and there is nothing to connect them to one another, let alone the killer whose charming manner hides a warped and sick mind.Dr Tony Hill, head of the new National Profiling Task Force, sets his team an exercise: they are given the details of missing teenagers and asked to discover any possible links between the cases. Only one officer comes up with a theory - a theory that is ridiculed by the group … until one of their number is murdered and mutilated.For Tony Hill, the murder becomes a matter for personal revenge and, joined by colleague Carol Jordan, he embarks on a campaign of psychological terrorism - a game where hunter and hunted can all too easily be reversed.THE LAST TEMPTATIONA twisted killer targeting psychologists has left a grisly trail across Europe.Dr Tony Hill, expert at mapping the minds of murderers, is reluctant to get involved. But then the next victim is much closer to home…Meanwhile, his former partner DCI Carol Jordan is working undercover in Berlin, on a dangerous operation to trap a millionaire trafficker. When the game turns nasty, Tony is the only person she can call on for help.Confronting a cruelty that has its roots in Nazi atrocities, Tony and Carol are thrown together in a world of violence and corruption, where they have no one to trust but each other.