On her 60th birthday, a woman commits suicide. When the case lands on Detective Carl Mørck’s desk, he can’t imagine what this has to do with Department Q, Copenhagen’s cold cases division. It’s a tragedy to be sure, but the cause of death seems to be clear. But his superior, Marcus Jacobsen, is convinced that this is not in fact a suicide, but a murder related to an unsolved case that has been plaguing him since 1988.

Investigator Sofia Kovic has uncovered a connection between several deaths in Oslo over the last year and a half. She tries to call her superior, Alexander Blix, but before Blix has time to return her call, Kovic is shot and killed in her own home. In the apartment below, Blix’s daughter Iselin narrowly escapes becoming the killer’s next victim. Four days later, Blix and online crime journalist Emma Ramm are locked inside an interrogation room, facing the National Criminal Investigation Service. 

Una wants nothing more than to teach, but she has been unable to secure steady employment in Reykjavík. Her savings are depleted, her love life is nonexistent, and she cannot face another winter staring at the four walls of her shabby apartment. Celebrating Christmas and ringing in 1986 in the remote fishing hamlet of Skálar seems like a small price to pay for a chance to earn some teaching credentials and get her life back on track.

Autumn of 1987 takes a young couple on a romantic trip in the Westfjords holiday - a trip that gets an unexpected ending and has catastrophic consequences. Ten years later a small group of friends go for a weekend in an old hunting lodge in Elliðaey. A place completely cut off from the outside world, to reconnect. But one of them isn't going to make it out alive. And Detective Inspector Hulda Hermannsdóttir is determined to find the truth in the darkness.  

It’s been more than 20 years since Olof Hagström left home. Returning to his family’s house, he knows instantly that something is amiss. The front door key, hidden under a familiar stone, is still there. Inside, there’s a panicked dog, a terrible stench, water pooling on the floor: The father Olaf has not seen or spoken to in decades is dead in the bathroom shower.

Easter weekend is approaching, and snow is gently falling in Siglufjörður, the northernmost town in Iceland. Ari Thór Arason is now a police inspector, but he’s separated from his girlfriend, who lives in Sweden with their three-year-old son. A family reunion is planned for the holiday, but a violent blizzard is threatening and there is an unsettling chill in the air. Three days before Easter, a 19-year-old local girl falls to her death from the balcony of a house on the main street. A perplexing entry in her diary suggests that this may not be an accident. 

When fifteen-year-old Oscar Dreyer-Hoff disappears in this “masterpiece of Nordic noir” (Booklist, starred review), the police assume he’s simply a runaway—a typically overlooked middle child doing what teenagers do all around the world. But his frantic family is certain that something terrible has happened. After all, what runaway would leave behind a note that reads:

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.

After a violent home invasion in the remote wilds of Glen Coe leaves a family of four dead, DCI Jack Logan and his team are brought in to lead the manhunt. But, when one of the victims is revealed to be one half of legendary 1980s Glasgow-based comedy double act, Neeps & Tatties, Logan is forced to leave the Highlands and head back to his old stomping ground.

Sixteen-year-old Jenny Lind is kidnapped in broad daylight on her way home from school and thrown into the back of a truck. She’s taken to a dilapidated house, where she and other girls face horrors far beyond their worst nightmares. Though they’re desperate to escape, their captor foils every one of their attempts. Five years later, Jenny’s body is found hanging in a playground, strung up with a winch on a rainy night.

DCI Jack Logan should’ve known things were going too well. Genuinely happy for the first time in years, Jack has almost fooled himself into believing that the world is a decent place. But when the discovery of a mutilated body kicks off a series of grisly murders, Jack’s dream of a peaceful life rapidly begins to crumble around him. With friends in danger and enemies begging for his help, Jack must risk everything to protect the final would-be victim and stop the most monstrous killer he’s ever faced.

The body of a young Russian woman washes up on an Icelandic shore. After a cursory investigation, the death is declared a suicide and the case is quietly closed. Over a year later Detective Inspector Hulda Hermannsdóttir of the Reykjavík police is forced into early retirement at 64. She dreads the loneliness, and the memories of her dark past that threaten to come back to haunt her. But before she leaves she is given two weeks to solve a single cold case of her choice. She knows which one: the Russian woman whose hope for asylum ended on the dark shore of an unfamiliar country. 

When single mother Maríanna disappears from her home, leaving an apologetic note on the kitchen table, everyone assumes that she's taken her own life...until her body is found in the Grábrók lava fields seven months later, clearly the victim of murder. Her neglected 15-year-old daughter, Hekla, has been placed in foster care, but is her perfect new life hiding something sinister?

How far would you go to bury the truth? While searching for a missing hill walker, Glencoe Mountain Rescue Team uncovers a body - just not the one they were looking for. Still dealing with the fallout from their last case, DCI Jack Logan and his team venture south from Inverness to investigate a brutal, gangland-style execution in the wilds of the Highland countryside. As the victim's dark secrets are gradually revealed, Jack uncovers the rot lurking beneath the stunning scenery, making himself the target of a criminal more dangerous than any he has faced before.

Tormented by the recent loss of a colleague, DCI Jack Logan is on the warpath, determined to bring down all those he holds responsible for the officer's death. His quest for revenge is cut short when a woman's body turns up on the remote island of Canna, and Jack is summoned to investigate. As a storm closes in, Jack finds himself cut-off from the rest of the world, with no car, no phone signal, and only DC Neish for company,