Oliver Peterkinney and Alex Glass, two friends from Glasgow's desperate fringes, become involved in one of the city's darkest and most dangerous trades: debt collection. While one rises quickly through the ranks, the other falls prey to the industry's addictive lifestyle, accumulating steep debts of his own.

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?

D.I. Duncan McAdam is dispatched home to the Misty Isle. A body has been found buried in a remote location on the Waternish peninsula. Well-preserved in the peat, Isla Matheson—missing for the better part of two decades—is revealed to a shocked island community. A teenage runaway is dead...and no one is talking.

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.

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.

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. Detectives Max Craigie and Janie Calder arrive at the scene, a small town where everyone has secrets to hide. They soon realise this murder is part of a blood feud between two Scottish families that stretches back to the 1800s. One thing’s for certain: it might be the latest killing, but it won’t be the last.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

A woman is found in a local cemetery, crushed to death under a gravestone. A production company is there, filming the remake of a classic sci-fi TV show on the grounds, making the investigation more difficult for DCI Harry McNeil. It's his first day in charge of the cold case unit in Edinburgh. After spending four years in Professional Standards, he has little choice but to take the promotion.

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.

It is 1969 and Glasgow is in the grip of the worst winter in decades, yet it is something else that has Glaswegians on edge: a serial killer whose name alone is enough to make them tremble with fear. The Quaker has killed another victim, snatching a young woman from a nightclub and dumping her body like trash in the back of a cold-water tenement. He leaves no clues, and the investigation has led police down one blind alley after another.

Ailsa Connolly was a brilliant psychologist and a respected criminologist. She was also a serial killer. Six years ago, DCI Sean Bracken caught her just before he was about to become her seventh victim. Every year on the anniversary of her incarceration, she taunts him with a phone call, giving him one message: "When I get out, I'll kill you." Now, Bracken has transferred back to Edinburgh and is thrown into the deep end on his first day back on duty. There's a killer who is emulating Ailsa, threatening to surpass her body count.

This is a fact: Ryan Summers walked into Three Rivers College and killed 13 women, then himself. But no one can say why. The question is one that cries out to be answered - by Ryan's mother, Moira; by Ishbel, the mother of Abigail, the first victim; and by DI Helen Birch, put in charge of the case on her first day at her new job. But as the tabloids and the media swarm, as the families' secrets come out, as the world searches for someone to blame...the truth seems to vanish.

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.

Harriet Vanger, a scion of one of Sweden's wealthiest families disappeared over forty years ago. All these years later, her aged uncle continues to seek the truth. He hires Mikael Blomkvist, a crusading journalist recently trapped by a libel conviction, to investigate. He is aided by the pierced and tattooed punk prodigy Lisbeth Salander. Together they tap into a vein of unfathomable iniquity and astonishing corruption.

Ten strangers are lured to an isolated island mansion off the Devon coast by a mysterious "U.N. Owen". At dinner a recorded message accuses each of them in turn of having a guilty secret, and by the end of the night one of the guests is dead. Stranded by a violent storm, and haunted by a nursery rhyme counting down one by one...one by one they begin to die. Who among them is the killer? And will any of them survive?

The hunt for a serial killer unearths an unsolved cold case from over 60 years ago. Young girls are being abducted and murdered in the Northeast. Out of favour detective constable Ian Bradshaw struggles to find any leads - and fears that the only thing this investigation will unravel is himself. Journalist Tom Carney is suspended by his London tabloid and returns to his home village in County Durham. Helen Norton is the reporter who replaced Tom on the local newspaper. Together they are drawn into a case that will change their lives forever.

A missing schoolgirl is found buried in the Dublin Mountains, hands clasped together in prayer, two red ribbons in her hair. Twenty-four hours later, a second schoolgirl is found in a shallow grave - her body identically arranged. The hunt for the killer is on. The police call in criminal psychologist Kate Pearson to get inside the mind of the murderer before he strikes again. But the more Kate discovers about the killings, the more it all feels terrifyingly familiar.

He’s the Man With No Name and the owner of No Alibis, a mystery bookshop in Belfast. But when a detective agency next door goes bust, the agency’s clients start calling into his shop asking him to solve their cases. It’s not as if there’s any danger involved. It’s an easy way to sell books to his gullible customers and Alison, the beautiful girl in the jewellery shop across the road, will surely be impressed. Except she’s not – because she can see the bigger picture.

Zoe Nolan disappeared from Manchester University in 2011. Her story was sad, certainly, but hardly sensational, Joseph Knox thought. As a crime writer, he felt that dead girls were everywhere, and the missing ones just didn't cut it. He wouldn't have given her any more thought were it not for Evelyn Mitchell. Another writer struggling to come up with a new idea, Evelyn attended one of Joseph's publicity events, and she was wondering just what happened to all the girls who go missing.

In his new life as a bartender at the Little Shamrock, Dismas Hardy is just hoping for a little peace. He's left both the police force and his law career behind. Unfortunately it's not as easy to leave behind the memory of a shattering personal loss - but for the time being, he can always take the edge off with a stiff drink and a round of darts.

Tim Wallace's wife died in a New Jersey boating accident several months ago and the cops suspect Tim murdered her, though they have no real case against him. Now it's New Year's Eve, and Tim's life is about to go from bad to worse.

It's just another day at the office for book editor Samantha Clair. Checking jacket copy for howlers, wondering how to break it to her star novelist that her latest effort is utterly unpublishable, lunch scheduled with gossipy author Kit Lowell, whose new book will deliciously dish the dirt on the fashion industry. But little does she know how much trouble Kit's book is about to be. Before it even goes to print.

A killer is using labyrinthine storm drains to dispose of his victims, who are found handcuffed and drowned, washed out of the rain-filled drainage lines like garbage. The crimes compel FBI Agent Tess McCallum to crack the case, but they're touching a nerve in Personal Security Consultant Abby Sinclair. She fears it's the same madman who invaded her nightmares once before. As the two women work with each other to solve the case, tensions rise and tempers flare. And as sure as the rain, a new killing season begins.

Judge Daniel Brennan is only days away from achieving a seat on the Second Circuit Court of Appeals bench when he's brutally stabbed to death in his garage. An army of media and law enforcement descend on the case, and thousands of tips pour in from the public. When one tip leads New Jersey policeman Luke Somers to Steven Gallagher, things quickly go wrong, but Luke is instantly glorified for solving the case. But to one man, Luke is no hero. Chris Gallagher raised his brother, Steven, almost single-handedly, and, certain that Steven is innocent, he won't rest until he sets the record straight.

Kate returns from a post-break-up holiday with her girlfriends to news of a serial killer in her hometown - and his victims all look like her. It could, of course, be a simple coincidence. Or maybe not. She becomes convinced she is being watched, followed even. Is she next? And could her mild-mannered ex-boyfriend really be a deranged murderer? Or is the truth something far more sinister?

It starts with the hanging woman in the Maple Valley woods; the woman with no shoes, no car and no name. On paper it’s an obvious case of suicide - but to Officer Dean Matheson, something doesn’t add up. Then there are the other deaths, deaths that also look like suicides - but are they? The victims are all women living on the fringes of society, addicts and criminals. Who will miss them? Does anyone really care if they die? Dean Matheson is making it his business to care, even if it means he becomes a target....

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.

At The Society for the Preservation of Pennsylvania Antiques, fundraiser Eleanor "Nell" Pratt solicits donations - and sometimes solves crimes. When a collection of George Washington's letters is lost on the same day that an archivist is found dead, it seems strange that the Society president isn't pushing for an investigation. Nell goes digging herself, and soon uncovers a long, rich history of crime.

When a murdered woman is found in the city of Beszel, somewhere at the edge of Europe, it looks to be a routine case for Inspector Tyador Borl ú of the Extreme Crime Squad. But as he investigates, the evidence points to conspiracies far stranger and more deadly than anything he could have imagined. Borl must travel from the decaying Beszel to the only metropolis on Earth as strange as his own.

Honoring the wish of her late grandmother, Maura Donovan visits the small Irish village where her Gran was born-though she never expected to get bogged down in a murder mystery. Nor had she planned to take a job in one of the local pubs, but she finds herself excited to get to know the people who knew her Gran. In the pub, she's swamped with drink orders as everyone in town gathers to talk about the recent discovery of a nearly 100-year-old body in a nearby bog.