It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

After losing his leg to a land mine in Afghanistan, Cormoran Strike is barely scraping by as a private investigator. Strike is down to one client, creditors are calling, and after a breakup with his longtime girlfriend, he’s living in his office. Then John Bristow walks through his door with a shocking story: His sister, the legendary supermodel Lula Landry - known to her friends as the Cuckoo - famously fell to her death a few months earlier.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

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.

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.

Cal McGill is an Edinburgh-based oceanographer, environmentalist and one-of-a-kind investigator. Using his knowledge of the waves - ocean currents, prevailing winds, shipping records - McGill can track where objects came from or where they've gone. It's a skill that can help solve mysteries ranging from disappearances to murder. Two severed feet wash up on two different islands off the coast of Scotland. Forensics shows that the feet belong to the same body.

When Ruby hears from her best friend Elizabeth that two of their old classmates have been murdered, Ruby is more certain than ever that leaving her hometown was the right decision. But after Elizabeth suddenly stops responding to texts, and Ruby hears a third classmate has been killed, she knows in her heart what has happened. Elizabeth is dead too. Missbrook Bay is a place haunted by memories Ruby wanted to forget, and people she never wanted to see again, but Ruby has no choice but to go back to investigate.

In the vein of John le Carré and Graham Greene, this contemporary international thriller follows Milo Weaver as he is drawn into a conspiracy that links riots in the Sudan, an assassin committing suicide, and an old friend who's been accused of selling secrets to the Chinese. Once the CIA and Homeland Security are after him, the only way for him to survive is to return, headfirst, into Tourism.

Sonny Lofthus is a strangely charismatic and complacent young man. Sonny’s been in prison for a dozen years, nearly half his life. The inmates who seek out his uncanny abilities to soothe leave his cell feeling absolved. They don’t know or care that Sonny has a serious heroin habit - or where or how he gets his uninterrupted supply of the drug. Or that he’s serving time for other peoples’ crimes. Sonny took the first steps toward addiction when his father took his own life rather than face exposure as a corrupt cop. Now Sonny is the seemingly malleable center of a whole infrastructure of corruption....

Max - an elderly Paris bookstall owner - is abducted at gunpoint. His friend Hugo Marston, head of security at the U.S. embassy, launches a search. His investigation reveals that Max was a Holocaust survivor and later became a Nazi hunter. Is his disappearance somehow tied to his grim history, or even to the mysterious old books he sold? Before long, other booksellers start to disappear, their bodies found floating in the Seine. Then Marston himself becomes a target of the unknown assassins.

It begins with a phone call that Nora Watts has dreaded for 15 years - since the day she gave her newborn daughter up for adoption. Bonnie has vanished. The police consider her a chronic runaway and aren't looking, leaving her desperate adoptive parents to reach out to her birth mother as a last hope. A biracial product of the foster system, transient, homeless, scarred by a past filled with pain and violence, Nora knows intimately what happens to vulnerable girls on the streets.

Jenny Bowen is going home. Following an acrimonious split from her husband, she is quitting her job and moving back from London to the small town in the Scottish Highlands where she grew up. After tying up some last-minute loose ends, she rushes to Euston and boards the Caledonian Sleeper, headed north on a 500 mile, 10-hour journey through the night. As Jenny is getting settled in her cabin, she hears a commotion outside in the corridor.

Lemmer is a professional bodyguard. Silent, invisible, he never gets involved. Emma le Roux is convinced she's seen her brother on the news as a suspect in the recent killing of four poachers. But her brother is supposed to have died twenty years ago. When le Roux hires Lemmer to watch her back while she goes looking for answers, it becomes clear someone wants to keep them in the dark. And when that someone tries to murder them both, for once in his life Lemmer steps out of the shadows.

On a small Greek island, a woman comes ashore with no memory of who she is, where she's from, or how she came to be shipwrecked there. Worse, she has no way of leaving. As she's nursed back to health by the island's only inhabitants, four friends on an annual retreat, she detects tensions between the group that suggest not all is quite as it seems.

A six-year-old girl is found in the Norwegian countryside, hanging lifeless from a tree and dressed in strange doll's clothes. Around her neck is a sign that says, "I'm traveling alone." A special homicide unit in Oslo reopens with veteran police investigator Holger Munch at the helm. Holger's first step is to persuade the brilliant but haunted investigator Mia Krüger, who has been living on an isolated island, overcome by memories of her past.