Slough House is Jackson Lamb’s kingdom; a dumping ground for members of the intelligence service who’ve screwed up: left a secret file on a train, blown surveillance, or become drunkenly unreliable. They’re the service’s poor relations – the slow horses – and bitterest among them is River Cartwright, whose days are spent transcribing mobile phone conversations.

Dublin, 1922: As civil war sets brother against brother and Free State and Republican death squads stalk the streets and back lanes of Dublin, demobbed RIC-man, Sean O’Keefe, takes a break from life as a whiskey-soaked waster to search for the missing son of one of Monto's most powerful brothel owners. Hired to find the boy amid the tumult and terror of a country at war with itself, O’Keefe soon finds that the story is not as simple as it first seemed and that the truth can be hard to pin down. 

Oslo, 1938. War is in the air and Europe is in turmoil. Hitler’s Germany has occupied Austria and is threatening Czechoslovakia; there’s a civil war in Spain and Mussolini reigns in Italy. When a woman turns up at the office of police-turned-private investigator Ludvig Paaske, he and his assistant – his one-time nemesis and former drug-smuggler Jack Rivers – begin a seemingly straightforward investigation into marital infidelity. 

In August 1940 - 18 months before the bombing of Pearl Harbor - Anglo American MI6 agent Roy Hawkins is mysteriously rushed from Nazi-occupied Paris to New York. Enraged at being ordered away from what he believes is the real fight against Nazism and Fascism, he wants to get back to Paris as soon as possible, even though he knows it means almost certain death.

When an old man is found viciously murdered, a swastika carved in his chest, the obvious conclusion is that this killing must be racist. Suspicion falls on the son of the local doctor, found in flagrant playing sex games surrounded by Nazi paraphernalia.

As Germany goes to war, the Nazis tighten their terrifying grip. Paranoia in the capital is intensified by a rigidly enforced blackout that plunges the city into oppressive darkness every night, as the bleak winter sun sets. When a young woman is found brutally murdered, criminal Inspector Horst Schenke is under immense pressure to solve the case, swiftly. Treated with suspicion by his superiors for his failure to join the Nazi Party, Schenke walks a perilous line - for disloyalty is a death sentence.

Lestrade’s detectives at Scotland Yard have promised him that 1910 is going to be a peaceful year. Unfortunately, it doesn’t work out that way. His daughter, Emma, brings him news of a tragic boating accident and he is soon up to his neck in a series of vicious murders. On top of all this, Lestrade is roped in to help with the coronation of George V and Inspector Walter Dew needs help with the disappearance of a certain Belle Crippen.

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?

One Sunday morning, the outspoken speaker of the House of Commons steps out of his front door only to be crushed under a mountain of citrus fruit. Bizarre accident or something more sinister? The government needs to know because here's a man whose knowledge of parliament’s biggest secret could put the future of the government at stake. It should be the perfect case for Bryant and May and the Peculiar Crimes Unit, but unfortunately one detective is in hospital, the other is missing and the staff have all been dismissed.

We Men of Ash and Shadow is the first book in the Vanguard Series and follows the journey of protagonist, John Vanguard, through the dark and corrupt city of D’Orsee. A Grimdark gas lamp novel, We Men of Ash and Shadow explores themes of redemption, loyalty, and betrayal against the backdrop of a world where survival often means compromising your values. Amidst the gas lamp shadows former soldier-turned-mercenary John Vanguard hunts criminals at the behest of his corrupt employer, Captain Felix Sanquain.

Dundee, Scotland, 1862. After the mill of businessman Matthew Beaumont burns to the ground, Detective Sergeant George Watters is sent to investigate. Soon, George discovers that this is not the first property that has been targeted. When a man is found dead in the hold of a trade ship, George discovers a shocking connection between Beaumont and foreign powers threatening the very country.

Edinburgh, 1847. Will Raven is a medical student, apprenticing for the brilliant and renowned Dr Simpson. Sarah Fisher is Simpson’s housemaid and has all of Raven’s intelligence, but none of his privileges. As bodies begin to appear across the Old Town, Raven and Sarah find themselves propelled headlong into the darkest shadows of Edinburgh’s underworld. And if either of them are to make it out alive, they will have to work together to find out who’s responsible for the gruesome deaths. 

A young detective who specializes in “tiny mysteries” finds herself at the center of a massive conspiracy in this beguiling historical fantasy set on Manhattan’s Westside - a peculiar and dangerous neighborhood home to strange magic and stranger residents.

To solve this case, only an outsider will do...Ingo Finch faces his biggest challenge yet. New York, 1904 - over a thousand are dead after the sinking of the General Slocum, a pleasure steamer full of German immigrants out for a day on the East River. The community is devastated, broken, in uproar. With a populist senator preying on their grievances, a new political force is unleashed, pushing America to ally with Germany in any coming war. Nine months later, Ingo Finch arrives in Manhattan, now an official British agent. 

Bristol in the early 1960s: Joseph Tremaine Ellington is a Barbadian ex-policeman who, like many of his generation in the West Indies, has come to the UK to make a new life in the mother country. But the land of opportunity is not all it is cut out to be. It is not just the weather that is cold: so is the welcome. Facing hostility and prejudice at every turn, Ellington struggles to make ends meet.