It begins with a letter... The letter contains a request - think of a number, any number - and a sealed envelope. Inside the envelope is that number... When Dave Gurney, retired NYPD homicide detective, is contacted by an old college acquaintance about some startling letters he’s been receiving, it is at first little more than a diverting but sinister puzzle. Until the acquaintance is brutally killed.Suddenly Gurney finds himself in the middle of a murder investigation that makes no sense.

Daniel Brasher left a high-paying job as a money manager to work at a job he loves, leading counselling sessions with recently paroled ex-cons. Now he's ready to move on and start a private practice. But before he leaves, he finds an envelope in his mailbox - one intended for someone else. Inside is an unsigned note that says: "admit what you've done or you will bleed for it. you have 'til november 15 at midnite." The deadline has already passed and the person to whom the envelope was addressed was brutally murdered. Is Daniel next?

Eighteen-year-old Hattie Hoffman is a talented actress, loved by everyone in her Minnesotan hometown. When she's found stabbed to death on the opening night of her school play, the tragedy rips through the fabric of the community. Sheriff Del Goodman, a close friend of Hattie's dad, vows to find her killer, but the investigation yields more secrets than answers: it turns out Hattie played as many parts offstage as on.

It's time to finish what he started... A young girl is snatched in broad daylight from outside her school and later found brutally murdered and hanging from a tree. When recently retired San Francisco Police Inspector, Bob Farrell, sees this on the news, he realises his worst nightmare has just come true. The same brutal killer a government agency stopped him from putting away twenty years before is once more on the loose....

Dave Robicheaux has been warned that he's on somebody's hit list, and now the homicide detective is trying to discover just who that is before he ends up dead. Meanwhile he has taken on the murder investigation of a young black girl found dead in the Bayou swamp. Robicheaux uncovers a web of corruption that leads him to a terrifying confrontation with the one horror he fears most of all.

The Commonwealth Games have come to Manchester and the city is buzzing. Caught in the commercial feeding frenzy is Tom Benwell, an advertising executive. But the pressure is getting to Tom - too many deals to make and too many lies to tell. Meanwhile, his friend DI Jon Spicer is on the fast track, showing a love for the job that borders on obsession. Then, in the aftermath of the Games, a string of brutal murders shatters the city's newfound spirit.

Nick Horrigan has finally put his traumatic past behind him...until a SWAT team smashes into his place in the middle of the night. He's told that a terrorist has seized control of a nuclear power plant and is threatening to blow it up... Unless he can talk to Nick. As Nick rockets toward the truth, peeling back layer after layer of lies and deception, only one thing is certain: the long-buried secret, tied to the traumas of his own past, threatens his life at every turn.

Six women. Six abductions. Six souls in peril... London is in the grip of a barbaric serial killer, dubbed Herod by the tabloid press. Four pregnant women have been abducted in quick succession, their bodies mutilated and dumped. When a fifth pregnant woman, Julia Caton, is taken from her home in the dead of night, DCI David Rosen knows that time is running out to save her... Then Rosen gets a mysterious phone call from Father Sebastian Flint, an enigmatic priest who seems to know rather too much about the abductions.

On an isolated farm in southern Ireland, a decades-old grave houses the dismembered bones of 11 women. Detective Superintendent Katie Maguire of the Irish Gardai is used to bloodshed, but these white bones speak of unimaginable butchery. Not far away, a young American tourist is at the mercy of a sadistic killer. His tools are a boning knife, twine, and a doll fashioned from rags, nails, and fish-hooks. The murder of his victims is secondary only to his pleasure at their pain.

One fateful summer evening, businessman Robin Timariot meets a strikingly beautiful woman while out walking. They exchange only a few words, but those words prove to be unforgettable. A few days later, the newspapers are full of the rape and murder of Lady Louise Paxton - and to his horror, Timariot realises that this was the woman he met just hours before her death. A man is swiftly charged and convicted of the crime, but a series of bizarre events begin to convince Timariot that all is not what it seems.

Harry Barnett, a middle-aged failure, leads a shabby existence. He is reduced to caretaking a friend's villa on the island of Rhodes and working in a bar to earn his keep. Then a guest at the villa - a young woman he had instantly warmed to - disappears on a mountain peak. Under suspicion of her murder, Harry becomes obsessed by the mystery that has changed his life and begins to trace back the movements and encounters that led to the moment where she vanished into the blue.

Detective Miles Jensen is called to the lawless town of Santa Mondega to investigate a spate of murders. This would all be quite ordinary in those rough streets, except that Jensen is the Chief Detective of Supernatural Investigations. The breakneck plot centres around a mysterious blue stone, 'The Eye of the Moon', and the men (and women) who all want to get their hands on it: a mass murderer with a drink problem, a hit man who thinks he's Elvis and a pair of monks among them.

First, Patrick receives a DVD in the post. It shows footage of him and his wife Ariana walking, dressing, going to work - all filmed by cameras hidden in their house. Someone is clearly out to get him. And then the email arrives: GO ALONE. TELL NO ONE. DO WHAT WE SAY. OR SHE DIES. Patrick’s life is turned upside down. Suddenly this has become a matter of life and death.

Brendan Foley has worked to balance the responsibilities of a demanding job and a troublesome family. He’s managed to keep these two worlds separate, until the discovery of a mass grave sends them into a headlong collision. When one of the dead turns out to be a familiar face, he’s taken off the case. Iona Madison keeps everything under control. She works hard as a detective sergeant and trains harder as a boxer. But when her superior, DI Foley, is removed from the case, her certainties are tested like never before. 

It's evening, you're back late from work - and the house is in darkness. You step inside, and the phone rings. You answer it - and your world turns upside down. Your 14-year-old daughter's been taken, and her kidnappers demand half a million pounds in cash. They give you 48 hours to raise the money, and warn you that if you call the police, she'll die. Trying desperately to remain calm, you realise that your husband - the man you married only two years previously - is also missing.