John Carr has recently left the SAS, after a long and distinguished career, and is now working for a Russian oligarch in the murky world of private security. But an incident from his past - in which three terrorists were brutally killed - suddenly comes back to haunt him. Tracked by a hit man out for revenge, John Carr is forced to step over the line to defend himself and his family. It's a cruel and violent world - and one he thought he'd left behind.

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. 

Former special ops soldier Alex Reeve is Operative 66. One of the UK's deadliest weapons, he is part of the mysterious C6 - an elite and top-secret security service with a remit to neutralise the country's most dangerous enemies. But now Reeve is in the firing line. Framed as a traitor, Reeve is forced to flee as every operative is instructed to kill the 'rogue asset'. On the run from his own government, alone and under the radar, Reeve must survive off grid with fearsome assassins on his trail. He doesn't know why he's a target. Or who betrayed him.

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.

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.

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.

Dr Leo Black is one of Oxford University's rising stars. His lectures play to a packed audience of adoring students. He seems destined for tenure amongst the gleaming spires. But Worcester College has never employed a man like Leo Black before. For 20 years Leo served the SAS with distinction. And when the friend he served alongside is killed in Paris trying to prevent the abduction of a young British scientist, the world Leo has tried to put behind him begins to reel him back in.

Matt Logan is an MI5 agent for the British government. Working on the front line of counterterrorism in the UK, he's trained to protect its citizens against all threats. When two brothers known operationally as 'Iron Sword' and 'Stone Fist' are suspected of plotting a major terrorist event, Logan and his team work undercover to track them down. If they fail, an attack will be unleashed that will rock the country to its very core.

From Amazon number-one best-selling author Mark Dawson, this novella is an introduction to John Milton, the most dangerous assassin in the pay of Her Majesty’s government. Meet John Milton. He considers himself an artisan. A craftsman. His trade is murder. Milton is the man the government sends after you when everything else has failed. Ruthless. Brilliant. Anonymous. Lethal. You wouldn't pick him out of a crowd, but you wouldn't want to be on his list.

Jeremy Summers, a British banker with a secret that could reveal MI6 intelligence sources involved in the war against drug-funded terrorism, has been seized at gunpoint, in broad daylight, on the streets of west London. An old contact, Raglan - an Englishman who served in the French Foreign Legion - is on his trail. Raglan's pursuit will lead him to the winter-ravaged wasteland of a remote Russian penal colony. A place that holds Russia's most brutal murderers. A place of death and retribution. How will he get in? More importantly, how will he get out...alive?

He dedicated most of his life to the Joint Intelligence Agency. Now, James Ryker wants to start afresh. However, he soon hears about the murder of a woman whose fingerprints match those of a former adversary who's been missing, presumed dead...an assassin known as the Red Cobra. But Ryker confirms a case of mistaken identity. Who is the dead woman? And where is the real Red Cobra?

An exiled agent. A growing threat. A clandestine war. The world is changing beyond recognition. Radical extremists are rising and seek to enforce their ideology globally. Governments, the military and intelligence agencies are being outmanoeuvred at every step. Borders are breaking down. Those in power are puppets. The old rules are obsolete. To fight this war a new doctrine is needed. In a world where nothing is at it seems, where trust is gone, one man will make the difference. Meet Ex-MI6 agent and man in exile, Scott Pearce. It’s time to burn the espionage rule book.

Paris, 1943. The swastika flies from the top of the Eiffel Tower. Soldiers clad in field grey patrol the streets. Buildings have been renamed, books banned, art stolen and people disappeared. Amongst the missing is an Allied intelligence cell. Gone to ground? Betrayed? Dead? Britain's Special Operations Executive need to find out. They recruit ex-Parisian and Bletchley Park codebreaker Harry Mitchell to return to the city he fled two years ago. 

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.

Marc Dane is an MI6 field agent at home behind a computer screen, one step away from the action. But when a brutal attack on his team leaves Marc as the only survivor - and with the shocking knowledge that there are traitors inside MI6 - he's forced into the front line. However, the evidence seems to point towards Marc as the perpetrator of the attack. Accused of betraying his country, he must race against time to clear his name.