John Milton is a ghost. He was Number One. The most dangerous assassin in Group Fifteen, the black-ops organisation that solves problems when diplomacy has failed. Now Milton is Her Majesty's most wanted fugitive - an anonymous loner with a deadly set of skills. So when he is arrested following a brawl in a Texas bar, the last person he expects to bail him out is a glamorous operative from the Russian Secret Service.

On Christmas Eve, DCI Mackenzie Jones is called to a shooting at a remote farmhouse. Ralph Mallender believes his father lies dead inside. When three more bodies are discovered, it's clear a festive family gathering has turned into a gruesome tragedy. At first it seems like an open and shut case: a murder suicide committed by Ralph's volatile brother Cameron. Then new evidence makes Mack suspect the man who reported the crime is in fact the perpetrator. But Mack isn't the only one with a stake in the case.

To some he was Orphan X. Others knew him as the Nowhere Man. But to veteran spymaster Jack Johns, he was a boy named Evan Smoak. Taken from an orphanage, Evan was raised inside a top secret programme designed to turn him into a deadly weapon. Jack became his instructor, mentor, teacher and guardian. Because for all the dangerous skills he instilled in his young charge, he also cared for Evan like a son. And now Jack needs Evan’s help....

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

Beatrix Rose has been betrayed. Her husband has been murdered and her daughter, Isabella, abducted. She flees to the Hong Kong underworld to plot her revenge. Those who wronged her will pay. Beatrix is the most dangerous woman you’ve ever met. She was an assassin for The Firm, the beyond top secret agency that did the dirty work for the British Secret Services. She is lethal. Ethically flexible. Totally ruthless. And you know what they say about payback.

1969. Eloise Shepherd, one of MI6’s brightest rising stars, is working undercover in Soviet Russia as Magdalina Novikova. Her mission is to persuade nuclear physicist Stanislav Kalashnik to defect and bring his knowledge of Russian weapons back to the UK. On the verge of success, the operation fails suddenly and spectacularly. Seventeen years later, Kalashnik is chief engineer at the power plant near Pripyat known as Chernobyl. His concerns for the safety of the plant are growing. 

When gangland detective and former cop Eoin Miller wakes up to realize his almost-one-night stand has gone cold as a corpse in his bed, his gypsy heritage screams for him to do the easy thing and run. Having abandoned his morals, ambitions, and relationships for a life of alcohol, denial, and dirty work for local crime bosses, escape seems to be the only option left. But Eoin is surprised by a compulsion to root out his unknown enemies and fight for survival. All too soon, he finds himself caught in the crossfire between nearly every faction in town: rival crime lords, drug dealers, politicians, cops - even his estranged wife has a card in play.

'Tell Mum I miss her.' Bodyguard Sam Wylde has had her British licence revoked. She is now operating in Europe, running security on a swanky motor yacht during the Historic Grand Prix race. And at the same time she trawls for news of her ex-husband and daughter. In fact, the owner of the boat is bankrupt and the bank wants the multimillion-dollar vessel back. Sam is in the middle of a very dangerous situation that is rapidly escalating out of control.

Tom Novak is a troubled soul with a dark and bloody past. A former refugee, Royal Marine and member of the elite Special Reconnaissance Regiment, he now finds himself struggling with the deadening routine of day-to-day policing. When he is deployed undercover to infiltrate a gang of people traffickers, things go badly wrong. Faced with an impossible choice, his cover is blown, and he finds himself on the run from the Serbian mafia and even his fellow police colleagues. 

Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.

Vincent Naylor is a professional thief; just 10 days out of jail and he's preparing his next robbery. But his plan is already unraveling. Maura Coady, a retired nun, calls Detective Sergeant Bob Tidey believing there's something suspicious happening in her Dublin backstreet. Maura's call inadvertently unleashes a storm of violence that will engulf Naylor and force Tidey to make a deadly choice.

In the winter of 1996, on the orders of the British government, the SAS stole the contents of a safe belonging to the Provisional IRA. Rick Fuller headed that team. Days later Fuller's wife was brutally murdered. Convinced he was betrayed from within, Fuller begins a relentless search for her murderers. Ten years on, Fuller is a Manchester gangland enforcer, a lone and bitter figure.

One psychopath. One killer. The Stabber. Six victims, all wife beaters. Each stabbed to death through their left eye. Six victims, all wife beaters. Each stabbed to death through their left eye. The cobbled lanes and backstreets of St Andrews provide the setting for these brutal killings.

When you're the best at what you do, it's not always easy to walk away. Nathan McBride was retired. The trained Marine sniper and covert CIA operative had put the violence of his former life behind him. But not anymore. A deep-cover FBI agent has disappeared along with one ton of powerful Semtex explosive, enough to unleash a disaster of international proportions. The U.S. government has no choice but to coax Nathan out of retirement.

DS Ewan Striker is the best detective on the force. Unconventional and uncompromising, he is respected and feared in equal amounts. Tag Westland is a rookie. A rich boy who has realised that being a cop is not as glamorous as he first thought. In fact, he has his resignation in his pocket. These two unlikely crime fighters are thrown together, as it becomes apparent that each of their investigations are inextricably linked to something even more evil: a major terrorist attack.