Starting a new life in Snowdonia was always DI Ruth Hunter's dream. Until a twisted killer turned it into her worst nightmare. Detective Inspector Ruth Hunter lives with the pain of her partner’s mysterious and unsolved disappearance. About to hit 50, the veteran police officer trades in the crime-ridden streets of London for a more peaceful life in rural North Wales. But Ruth has barely settled into her new position in North Wales Police, when the body of a brutally murdered woman is discovered...with strange symbols carved into her skin.

Three years ago, DCI Laura Hart was the top hostage and crisis negotiator for the Greater Manchester Police. Then her husband was kidnapped. Despite her best efforts to reason with the criminals, he was brutally murdered. Now living on the Isle of Anglesey in Wales, Laura is slowly healing. Then she gets a call: armed drug dealers have seized a tourist boat—and her 10-year-old son Jake is on board. There’s no other negotiator available, and the police need her to step up.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

Detective Chief Inspector Harry Grimm is forced to take leave from Bristol’s Major Investigations Team when his boss, tired of Harry chasing the ghost of his murderous father, sends him north on secondment. Used to city life and high stress, Harry fears his life will now be spent handing out speeding tickets, finding lost sheep, and directing tourists. But when a local teenager runs away, Harry finds himself pulled into an investigation much worse than anyone could have ever expected.

Met cop DI Rob Marshall is hot on the trail of the serial killer known as the Chameleon, who has abducted, tortured and killed a series of young women in Northwest London. As they close in, the Chameleon—who switches identity to get close to his victims—shoots Marshall’s partner and escapes.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

When a prostitute is found murdered in her bedsit, the Metropolitan police set to work finding the perpetrator of this brutal attack. DNA samples lead them straight to known-criminal George Marlow. The police think they've found their man, but things are not quite what they seem....

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

Flynn was only a teenager when her parents were killed in a terrible accident. Too young to lose her parents, too young to take on responsibility for her younger sister Kaiya, too young to protect Kaiya from the harshness of their new lives in the following years. Desperate to help her sister, Flynn reaches out to Willa Tomlinson, a grief counsellor renowned for helping her patients cope with profound loss. Under Willa’s influence and care, Kaiya finally seems to turn a corner, joining the climate action collective that Willa leads.

After a scandal forces DI Kelly Porter out of the Met, she returns home to the Lake District. Crimes in the Cumbrian constabulary tend to be minor, but Kelly begins work on a cold case that shocked the local community - the abduction and brutal murder of a 10-year-old girl.

Detective John Rebus' city is being terrorized by a baffling series of murders…and he's tied to a maniac by an invisible knot of blood. As the ghoulish killings mount and the tabloid headlines scream, Rebus cannot stop the feverish shrieks from within his own mind. Because he isn't just one cop trying to catch a killer - he's the man who's got all the pieces to the puzzle…

Don’t miss the first novel in a gripping series featuring DI Clare Mackay, perfect for fans of Alex Gray, D. S. Butler and Rachel Amphlett. On the night of a wedding celebration, one guest meets a grisly end when he’s killed in a hit-and-run. A card bearing the number ‘five’ has been placed on the victim’s chest. DI Clare Mackay, who recently moved to join the St Andrews force, leads the investigation. The following night another victim is struck down and a number ‘four’ card is at the scene.

“You’re going to hell, Jack Nightingale”: They are words that ended his police career. Now Jack’s a struggling private detective – and the chilling words come back to haunt him. Nightingale’s life is turned upside down the day that he inherits a mansion from a man who claims to be his father. It comes with a warning that Nightingale’s soul was sold at birth and a devil will come to claim it on his 33rd birthday – just three weeks away.

Detective Inspector Munro is a burly Scottish policeman who doesn’t suffer fools gladly. Detective Sergeant West is an intelligent young woman, new to the force, with a lot to prove. When a missing person case lands on their desks, Munro is skeptical there is much to it. But their investigation soon comes to some strange findings, and before long a body is found. With a serial killer on their hands, they must act fast to trace a woman placed at the scene of the crime. Yet discovering her true identity, let alone finding her, proves difficult. And as the plot thickens they realise the crime is far graver than either of them could have imagined.

Dan Starkey is a journalist in Belfast, who shares with his wife, Patricia, an appetite for drinking and dancing. Dan meets Margaret, and things begin to get out of hand - terrifyingly, she is murdered. Before long, Dan is a target himself, racing as fast as he can against time to crack the mystery.

A violent rapist is attacking women, leaving them for dead on south London streets. When young policewoman Maeve Kerrigan responds to a domestic disturbance, she's horrified to stumble across the latest victim. But as a new recruit - and a female to boot - she'll have to face down not only her own nerves but rampant sexism from her colleagues if she wants to be taken seriously enough to even assist on the case.

When Professor Alan Tunbridge is discovered in his office with his throat slashed, the suspects start queuing up. The brilliant but unpleasant microbiologist had a genius for making enemies. For Warren Jones, newly appointed Detective Chief Inspector to the Middlesbury force, a high-profile murder is the ideal opportunity. He’s determined to run a thorough and professional investigation but political pressure to resolve the case quickly and tensions in the office and at home make life anything but easy.

Walter has a rubbish job, so has Margaret. But when they meet through a dating agency, neither is who they seem. Margaret's married for a start, and Walter's encounter with her husband, Billy, leaves him black and blue. Billy's a dodgy accountant for politician and racketeer Pink Harrison, who is about to come unstuck.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

Dear Elizabeth, I've been watching you. I hope to see you...soon. Liz Cafferky is on the up. Rescued from her dark past by the owner of a drop-in centre for older men, Liz soon finds herself as the charity's face - and the unwilling darling of the Dublin media. Amidst her claustrophobic fame, Liz barely notices a letter from a new fan. But then one of the centre's clients is brutally murdered, and Elizabeth receives another, more sinister note. Running from her own ghosts, Liz is too scared to go to the police.