When a troubled young man named Billy asks Cormoran Strike to help him investigate a crime he witnessed as a child, the private eye is left deeply troubled. While Billy is obviously mentally distressed and cannot remember many concrete details, there is something sincere about him and his story. But before Strike can question him further, Billy bolts from his office in a panic.

When Robin Ellacott opens an unexpected delivery, she is horrified to discover that it contains a woman's severed leg. Her boss, private detective Cormoran Strike, is less surprised but just as alarmed. He suspects that four people from his past could be responsible - and any one of them is capable of sustained and unspeakable brutality. With the police focusing on the one suspect Strike has essentially ruled out, he and Robin take matters into their own hands and delve into the dark and twisted worlds of the other three men.

When novelist Owen Quine goes missing, his wife calls in private detective Cormoran Strike. At first, Mrs. Quine just thinks her husband has gone off by himself for a few days - as he has done before - and she wants Strike to find him and bring him home. But as Strike investigates, he discovers that Quine's disappearance is no coincidence. The novelist has just completed a manuscript featuring poisonous pen-portraits of almost everyone he knows.

On their first night in Paris, the Gamaches gather as a family for a bistro dinner with Armand’s godfather, the billionaire Stephen Horowitz. But an attempt on the elderly man’s life sends Armand, his wife, Reine-Marie, and his former second-in-command at the Sûreté, Jean-Guy Beauvoir, from the top of the Tour d’Eiffel, to the bowels of the Paris Archives, from luxury hotels to odd, coded works of art. It sends them deep into the secrets Armand’s godfather has kept for decades.

Cal Hooper thought a fixer-upper in a bucolic Irish village would be the perfect escape. After 25 years in the Chicago police force and a bruising divorce, he just wants to build a new life in a pretty spot with a good pub where nothing much happens. But when a local kid whose brother has gone missing arm-twists him into investigating, Cal uncovers layers of darkness beneath his picturesque retreat, and starts to realize that even small towns shelter dangerous secrets.

Driving home during a swirling blizzard, Vera Stanhope's only thought is to get there quickly. But the snow is so heavy that she becomes disorientated and loses her way. Ploughing on, she sees a car slewed off the road ahead of her. With the driver's door open, Vera assumes the driver has sought shelter, but when she inspects the car she is shocked to find a young toddler strapped in the back seat. Afraid they will freeze, Vera takes the child and drives on, arriving at Brockburn, a run-down stately home she immediately recognises as the house her father, Hector, grew up in. 

When his daughter Samantha calls in the dead of night, John Rebus knows it's not good news. Her husband has been missing for two days. Rebus fears the worst - and knows from his lifetime in the police that his daughter will be the prime suspect. He wasn't the best father - the job always came first - but now his daughter needs him more than ever. As he leaves at dawn to drive to the windswept coast - and a small town with big secrets - he wonders whether this might be the first time in his life where the truth is the one thing he doesn't want to find....

When DI Rowan Jackman and DS Evans are told that the IT boss has disappeared, they soon suspect foul play. Orla Cracken, known as Orac, is no ordinary techie; she was once a field agent traveling abroad undercover, working for the government. Meanwhile DC Robbie Melton discovers that two people, both urban explorers, have mysteriously disappeared whilst out exploring abandoned buildings. One went missing at a disused airfield, but was it a military base, or was it civilian?

In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes; together they call themselves The Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case. As the bodies begin to pile up, can our unorthodox but brilliant gang catch the killer, before it's too late?

It is 997 CE, the end of the Dark Ages. England is facing attacks from the Welsh in the west and the Vikings in the east. Those in power bend justice according to their will, regardless of ordinary people and often in conflict with the king. Without a clear rule of law, chaos reigns. In these turbulent times, three characters find their lives intertwined. 

Clanton, Mississippi. 1990. Jake Brigance finds himself embroiled in a deeply divisive trial when the court appoints him attorney for Drew Gamble, a timid 16-year-old boy accused of murdering a local deputy. Many in Clanton want a swift trial and the death penalty, but Brigance digs in and discovers that there is more to the story than meets the eye. Jake’s fierce commitment to saving Drew from the gas chamber puts his career, his financial security, and the safety of his family on the line.

Retired publisher Susan Ryeland is living the good life. She is running a small hotel on a Greek island with her long-term boyfriend Andreas. And then the Trehearnes come to stay. The strange and mysterious story they tell, about an unfortunate murder that took place on the same day and in the same hotel in which their daughter was married - a picturesque inn on the Suffolk coast named Farlingaye Halle - fascinates Susan and piques her editor’s instincts. One of her former writers, the late Alan Conway, author of the fictional Magpie Murders, knew the murder victim....

When Matt Ballard was starting out his career, three boys were murdered in the same area, the remote and bleak Gibbet Fen. When the main suspect was killed in a hit-and-run, the killings stopped. But Matt was not satisfied that the real murderer had been caught. Over 25 years later, Matt gets a photo in an unmarked envelope. It's of the Gibbet Fen crime scene. And the picture was taken before the murder took place. More photos arrive, relating to the historic murders, as well as intimate pictures of Matt's very secret private life.

As always, Reacher has no particular place to go and all the time in the world to get there. One morning he ends up in a town near Pleasantville, Tennessee. But there’s nothing pleasant about the place. In broad daylight Reacher spots a hapless soul walking into an ambush. “It was four against one”...so Reacher intervenes, with his own trademark brand of conflict resolution. The man he saves is Rusty Rutherford, an unassuming IT manager, recently fired after a cyberattack locked up the town’s data, records, information...and secrets. 

The brilliant Alexander McCall Smith became an international sensation with his New York Times best-selling No. 1 Ladies' Detective Agency novels. His award-winning wit, made famous through that series, is fully on display in 44 Scotland Street.