A man like Harry had better watch his back...Following the dramatic conclusion of number one best seller The Thirst, Knife sees Harry Hole waking up with a ferocious hangover, his hands and clothes covered in blood. Not only is Harry about to come face to face with an old, deadly foe, but with his darkest personal challenge yet. 

When she stumbles across the advert, she's looking for something else completely. But it seems like too good an opportunity to miss: a live-in nanny position, with a staggeringly generous salary. And when Rowan arrives at Heatherbrae House, she is smitten by the luxurious 'smart' home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn't know is that she's stepping into a nightmare - one that will end with a child dead and her in a cell awaiting trial for murder.

Lydia Quixano Pérez lives in the Mexican city of Acapulco. She runs a bookstore. She has a son, Luca, the love of her life, and a wonderful husband who is a journalist. And while there are cracks beginning to show in Acapulco because of the drug cartels, her life is, by and large, fairly comfortable. When Lydia’s husband’s tell-all profile of Javier, the jefe of the newest drug cartel that has gruesomely taken over the city, is published, none of their lives will ever be the same.

In the depths of winter, a killer stalks the city streets. His victims are two young women, both found with twenty-four inexplicable puncture wounds, both drowned in their own blood. The crime scenes offer no clues, the media is reaching fever pitch, and the police are running out of options. There is only one man who can help them, and he doesn’t want to be found.

A woman is found murdered after an Internet date. The marks left on her body show the police that they are dealing with a particularly vicious killer. Under pressure from the media to find the murderer, the force know there's only one man for the job. But Harry Hole is reluctant to return to the place that almost took everything from him. Until he starts to suspect a connection between this killing and his one failed case.

Harry Hole, drunkard, loner and brilliant detective is reassigned to surveillance after a high profile mistake. He’s bored by his new job until a report of a rare and unusual gun being fired sparks his interest because of its possible links to Neo Nazi activity. Then a former soldier is found with his throat cut. Next Harry’s former partner is murdered. Why had she been trying to reach Harry on the night her head was smashed in?

The police urgently need Harry Hole. A killer is stalking Oslo’s streets. Police officers are being slain at the scenes of crimes they once investigated, but failed to solve. The murders are brutal, the media reaction hysterical. But this time, Harry can’t help anyone. For years, detective Harry Hole has been at the centre of every major criminal investigation in Oslo. His dedication to his job and his brilliant insights have saved the lives of countless people. But now, with those he loves most facing terrible danger, Harry can’t protect anyone. Least of all himself.

young woman is murdered in her Oslo flat. One finger has been severed from her left hand, and behind her eyelid is secreted a tiny red diamond in the shape of a five-pointed star – a pentagram, the devil’s star. Detective Harry Hole is assigned to the case with his long-time adversary Tom Waaler and initially wants no part in it. But Harry is already on notice to quit the force and is left with little alternative but to drag himself out of his alcoholic stupor and get to work. A wave of similar murders is on the horizon. An emerging pattern suggests that Oslo has a serial killer on its hands....

One freezing night in Oslo Christmas shoppers gather to listen to a Salvation Army street concert. An explosion cuts through the music, and a man in uniform falls to the ground, shot in the head at point-blank range.Harry Hole and his team have little to work with: no immediate suspect, no weapon and no motive. But when the assassin discovers he has shot the wrong man, Harry Hole’s troubles have only just begun.

A young boy wakes to find his mother missing. Their house is empty but outside in the garden he sees his mother's favourite scarf – wrapped around the neck of a snowman. As Harry Hole and his team begin their investigation they discover that an alarming number of wives and mothers have gone missing over the years. When a second woman disappears it seems that Harry's worst suspicions are confirmed: for the first time in his career Harry finds himself confronted with a serial killer operating on his home turf.