Iceland
Erlendur Sveinsson series
Inspector Erlendur Sveinsson investigates the killing of a solitary man, found murdered in his Reykjavik apartment, and discovers that the dead man had been accused but not convicted of a rape forty years earlier.
Sequels: Silence of the Grave, Voices

Denmark
A Smilla Jaspersen novel
When her six-year-old neighbor falls to his death, and no one is willing to suspect foul play, Smilla Qaavigaaq Jaspersen finds her own investigation taking her into the files of a Danish company.

Norway
Johanne Vik and Adam Stubo series
Norway police commissioner Stubo teams up with troubled FBI profiler Johanne Vik for an investigation into the disappearances and murders of several young children.

Norway
Konrad Sejer series
The tranquility of a small, idyllic town is shattered when the body of a teenage girl is found, prompting an investigation by Inspector Sejer that reveals the sinister truth behind the town’s quiet façade.
Sequels: He Who Fears the Wolf, When the Devil Holds the Candle, The Indian Bride

Sweden
Anders Knutas series
In the midst of preparing for the midsummer tourist season, the island of Gotland is rocked by the brutal killings of a young woman and her dog, a crime that becomes only the first as a serial killer terrorizes tourists and locals alike and brings Inspector Anders Knutas into an alliance with journalist Johan Berg to find the murderer before more women die.
Sequel: Unspoken

Sweden
Ann Lindell series
When a jogger stumbles upon the mutilated body of the local reformed troublemaker and tropical fish expert during a morning run, Inspector Ann Lindell takes time off from maternity leave to uncover the killer and is drawn into a deadly game of cat-and-mouse with a vicious murderer.
Sequel: The Cruel Stars of the Night

Sweden
Chief Inspector Van Veeteren series
When an ex-convict and then a wealthy real-estate tycoon fall victim to a violent attack by a possible ax-murderer, Chief Inspector Van Veeteren is called in to assist with the local investigation, a probe that becomes complicated by yet another murder and the disappearance of a promising female detective who may have gotten too close to the truth.
Sequel: The Return

Sweden
Erik Winter series
Enjoying a satisfying family life and career as Sweden’s youngest chief inspector, Erik Winter faces a daunting case involving a double murder and a suspect with possible links to the gothic world and the local police force.
Sequels: Never End, Frozen Tracks

Sweden
Kurt Wallander series
Inspector Kurt Wallander, a local Swedish police officer whose own personal life is falling apart, finds himself coping with a wave of anti-foreigner sentiment when he is put in charge of the investigation into the brutal murders of an elderly couple.
Sequels: The Dogs of Riga, The White Lioness, Sidetracked, The Fifth Woman, One Step Behind, Firewall, The Man Who Smiled

Sweden
Linda Wallander series
Taking a position with the Ystad police force shortly after graduating, Linda Wallander, the daughter of veteran inspector Kurt Wallender, struggles with their contentious relationship before becoming embroiled in the case of a childhood friend who has inexplicably disappeared.

Sweden
Rebecka Martinsson series
When a body is discovered in her hometown, a young Swedish lawyer is called back home, only to become trapped in a perilous web of betrayal, suspicion, religious fanaticism, and death, in a suspense novel set against the backdrop of northern Sweden.
Sequel: The Blood Spilt