Alex Reeve was Operative 66. A former special-ops soldier and one of the UK's deadliest weapons, he was a member of the secretive SC9 - an elite security service with a remit to neutralise the country's most dangerous enemies. Falsely accused of treason, Reeve was forced to hide in the shadows as the brutal assassins he once trained alongside sought to eliminate the 'rogue asset' at any cost. But tricked into revealing himself, Reeve is suddenly dragged into a lethal conspiracy involving the British state, shadowy Russian agents...and his own father.  

Adam Gray is the ultimate spy... As the lead agent of the US government's top-secret Persona project, he is its most valuable weapon in the War on Terror. Experimental technology enables him to take on the personality - and memories - of anyone; be it a Russian arms dealer, a high-stakes gambler or a nuclear scientist. Whatever secrets they know, he knows. But the most dangerous secrets of all... are his own.

Archaeologist Nina Wilde believes she has found the location of the lost city of Atlantis, and now she wants the opportunity to prove her theory. Someone else though wants her dead! With the help of ex-SAS bodyguard Eddie Chase and beautiful heiress Kari Frost, Nina faces a breakneck race against time around the world, pursued at every step by agents of the mysterious and murderous Brotherhood of Selasphoros. 

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.

Evan Smoak is a man with many identities and a challenging past. As Orphan X, he was a government assassin for the off-the-books Orphan Program. After he broke with the program, he adopted a new name and a new mission - the Nowhere Man, helping the most desperate in their times of trouble. Having just survived an attack on his life, and the complete devastation of his base of operations, as well as his complicated (and deepening) relationship with his neighbour, Mia Hall, Evan isn't interested in taking on a new mission. But one finds him anyway.

When an MI6 agent is found to be keeping records of his missions to protect himself from betrayal he unwittingly makes himself a priority target. But how do you silence the most dangerous man imaginable? Send him into hell on earth. While Alex King is sent into Northern Iraq to tidy the loose ends of a botched mission, the archipelago of Indonesia is under communist threat from within its own military. A consortium of worried businessmen call for desperate measures and seek the services of an assassin.

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. 

SAS trooper Matt 'Lastman' Standing is a lethal killing machine with experience in Afghanistan, Iraq and Syria. Plus he's worked with French in the past. It's not a mission he wants, but Standing made a bad choice in his past, and it has come back to haunt him. Now he's hunting French in the lawless Wild West forests of Humboldt County, where the US produces most of its legal - and illegal - cannabis. But French isn't the only predator in the wilderness - there are Mexican cartels, Russian Mafia and Hungarian gangsters - and Standing has to overcome them all to get to his target.

When foreign governments act like gangsters, a new kind of SAS is needed.... In London, assassins carry out a deadly chemical weapons attack at the royal wedding. All the signs point to a Kremlin-sanctioned hit. Their victim: a notorious mobster. 'The Cell' is a shadowy unit within the SAS, dedicated to fighting global organised crime. In a world where the Russian government is the real mob, it's the job of the Cell to defend British interests at home and abroad. Only the elite are selected; only the very best will survive.

Titus Quayle was the best MI6 ever had - an operative of exceptional and lethal ability. But they burned him, abandoned him and left him for dead. Holly Morton is the daughter of the spymaster who first recognised Quayle’s potential and the key to unlocking a global conspiracy her father died trying to bring down. To uncover the truth, Quayle must keep her safe from the threat of a powerful enemy in a globetrotting race against time. Nowhere is safe. 

Ryan Drake is a man who finds people who don't want to be found. Once a British soldier, he now works for the CIA, leading an elite investigation team that tracks down missing agents. But his latest mission - to free a prisoner, code-named Maras, and bring her back onto US soil within 48 hours - is more dangerous than anything his team has attempted before. Hunted by his former comrades, Drake is left with no choice but to trust a dangerous woman he barely knows.

Billy and Charlie thought their killing days were behind them. They used to be prolific life-takers, but old age finally caught up with them. Now they are ending their days in a dismal nursing home in Blackpool, with only their memories to keep them going. Memories of murder and mutilation. But when Archie turns up at the home, everything changes. Archie is a breath of fresh air, and he puts new life into Billy and Charlie—and before long, they realise that it's time to start killing again.

David Rivers is an elite-level assassin. He’s an expert in the art of violence. Honing his skill first as a Ranger, then as a mercenary, and now as a CIA contractor conducting covert action around the world. But in his secluded mountain home in Virginia, David Rivers lives a double life. There, Rivers is known as a caring husband to his new wife and the doting father to his young daughter. Soft targets to his enemies. Half a world away, on a mission to assassinate a foreign operative, Rivers uncovers his worst fear.

An SAS unit codenamed Zero 22, operating covertly in the war-torn badlands of Northern Syria, is ambushed and massacred by a small army of mercenaries dressed like Hell's Angels. Danny Black survives the massacre and back in London learns that his unit was betrayed by a mole feeding high-level military intelligence to the Russians. Like any SAS man worthy of the name, his first thought is to avenge the men who lost their lives on the Zero 22 op.

Ten years ago, SAS Trooper Aidan Snow was left fighting for his life after a mission went wrong, and ever since, he has been haunted by the image of the man with green eyes. The man who should have killed him. Now, Snow is finally living a peaceful life in Ukraine. Until Taurus Pashinski, the green-eyed man, returns. As Snow’s past catches up with him, he finds himself thrown back into the world of espionage with a vengeance.