Mark Dawson's Group Fifteen Files. Quick, lightning-paced, action.

They call him 'Scorpion'. No-one knows his real name, and the only people who have seen his face are dead. He works for the highest bidder, and he's never missed a target.

The assassin appears in London with the name of an investigative reporter on his list. But has Scorpion met his match? The reporter has a protector - John Milton. And Milton might be the only man in the world more dangerous than him.

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.

She does Britain's dirty work, but this time she needs help. Beatrix Rose, meet John Milton.... Beatrix Rose has a knack for making the British government's problems go away. When the assassin is sent to Venezuela to track down a missing scientist, she meets a contact who knows the lay of the land: none other than John Milton. As the state-sanctioned assassin and the special forces soldier team up in South America, they'll do more than capture a missing scientist....

Ciudad Juárez, Mexico, is the most dangerous city in the world. And when a mission to break the local cartel’s grip goes wrong, Isabella Rose, the Angel, finds herself on the wrong side of prison bars. Fearing the worst, Isabella plays her only remaining card... 

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.

London, 1940: The Luftwaffe blitzes London every night for 57 nights. Houses, shops, and entire streets are wiped from the map. The underworld is in flux: The Italian criminals who dominated the West End have been interned, and now their rivals are fighting to replace them. Meanwhile, hidden in the shadows, the Black-Out Ripper sharpens his knife and sets to his grisly work.

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.

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.

He’s your attacker. He’s a murderer. He’s your twin. When DI Dani Stephens returns to work after an attack that almost ended her life, she’s quickly plunged into a horrific new case, as dead bodies are discovered on the streets of Birmingham. But with no link between the victims, Dani has to get inside the killer’s mind - so turns to the murderer she knows best. Her own twin brother....

The war on drugs has always been a dirty business. But there are some jobs that are so dirty that even MI5 can't risk getting involved. Which is when the authorities turn to a man who isn't afraid to go where others fear to tread - Lex Harper. Harper is sent into the Golden Triangle in a bid to block the flood of heroin that is crippling the West. But when the plan backfires, Harper discovers that heroin poses a threat much closer to home. And his retaliation takes him on a mission of revenge around the world.

The explosive new stand-alone thriller from the author of the Spider Shepherd series. Sally Page is an MI5 'footie', a junior Secret Service Agent who maintains 'legends': fake identities or footprints used by real spies. Her day consists of maintaining flats and houses where the legends allegedly live, doing online shopping, using payment, loyalty and travel cards and going on social media in their names - anything to give the impression to hostile surveillance that the legends are living, breathing individuals.

Who was Dan "Spider" Shepherd before he signed up as an undercover cop and began working for MI5? The Sandpit rewinds with an action-packed rollercoaster to his days in the SAS.... Dan Shepherd and his SAS team are sent into the badlands of Afghanistan to train the rebels who are battling Taliban fanatics. But what starts as a training mission in The Sandpit rapidly turns into a life or death struggle with Shepherd and his team very much in the firing line.

Smuggled to the Middle East as a child. Trained as one of the most elite insurgents of his generation. Forced to do things no one should, for a cause he couldn't believe in. But as his brothers were preparing to kill, he was looking for a way out. Now, on the eve of the deadliest coordinated attacks the world has ever seen, he'll finally get his chance. He will break free and hunt down those who made him a monster. He must draw on all his training to survive. He is Sleeper 13.

Amos Decker is a former professional football player whose career was ended by a terrible hit. Now a police detective, Amos is still haunted by a side effect from the accident he can never forget. One night Decker comes home from a stakeout to find his wife, young daughter, and brother-in-law horrifically murdered. Obviously scarred and nearly broken, Decker has to use his skills as a detective and his unusual brain capacity to try to catch the monster who killed his family.

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?