It's DS Logan McRae's first day back on the job after a year off on the sick, and it couldn't get much worse. Three-year-old David Reid's body is discovered in a ditch: strangled, mutilated and a long time dead. And he's only the first. There's a serial killer stalking the Granite City, and the local media are baying for blood. Soon the dead are piling up in the morgue almost as fast as the snow on the streets, and Logan knows time is running out. More children are going missing. More are going to die.

It's been 17 months since the Bloodsmith butchered his first victim, and Operation Maypole is still no nearer catching him. The media is whipping up a storm, and the top brass are demanding results, but the investigation is sinking fast. Now isn't the time to get distracted with other cases, but Detective Sergeant Lucy McVeigh doesn't have much choice. When Benedict Strachan was just 11, he hunted down and killed a homeless man. No one's ever figured out why Benedict did it, but now, after 16 years, he's back on the streets again.

Five years ago his daughter, Rebecca, went missing on the eve of her 13th birthday. A year later the first card arrived: homemade, with a Polaroid picture stuck to the front – Rebecca, strapped to a chair, gagged and terrified. Every year another card: each one worse than the last. The tabloids call him The Birthday Boy. He’s been snatching girls for 12 years, always in the run-up to their 13th birthday, sending the families his homemade cards showing their daughters being slowly tortured to death.

Welcome to the Misfit Mob... It's where Police Scotland dumps the officers it can't get rid of but wants to: the outcasts, the troublemakers, the compromised. Officers like DC Callum MacGregor, lumbered with all the boring go-nowhere cases. So when an ancient mummy turns up at the Oldcastle tip, it's his job to find out which museum it's been stolen from. But then Callum uncovers links between his ancient corpse and three missing young men, and life starts to get a lot more interesting.

From the outside, Glenfarach looks like a quaint, sleepy village, nestled in the heart of Cairngorms National Park, but things aren't what they seem. The place is thick with security cameras, and there's a strict nine o'clock curfew, because Glenfarach is the last safe haven for people who've served their sentences but can't be safely released into the general population. For Detective Constable Edward Reekie, this was supposed to be a simple delivery job—drive his new boss up to HMP Grampian and collect Marky Bishop, take him to Glenfarach, then head back home again.

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?

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.

Detective Chief Inspector Roberta Steel got caught fitting up Jack Wallace - that's why they demoted her and quashed his sentence. Now he's back on the streets, and women are being attacked again. Wallace has to be responsible, but if Detective Sergeant Steel goes anywhere near him, his lawyers will get her thrown off the force for good. The Powers That Be won't listen to her, not after what happened last time. According to them, she's got more than enough ongoing cases to keep her busy.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

The launch of a major new detective series from the publishers of Henning Mankell, Jo Nesbo and Fred Vargas. A man is burnt alive in a suburban garden shed. DI Zigic and DS Ferreira are called in from the Peterborough Hate Crimes Unit to investigate the murder. Their victim is quickly identified as a migrant worker and a man several people might have had good reason to see dead.