Two years ago, a hostile Prime Minister launched the Monochrome inquiry, investigating "historical over-reaching" by the British Secret Service “to investigate historical over-reaching.” Monochrome’s mission was to ferret out any hint of misconduct by any MI5 officer—and allowed Griselda Fleet and Malcolm Kyle, the two civil servants seconded to the project, unfettered access to any and all confidential information in the Service archives in order to do so. But MI5’s formidable First Desk did not become Britain’s top spy by accident, and she has successfully thwarted the inquiry at every turn.

A Russian defector is found brutally murdered in a London hotel. Only four people knew he had turned - the four most important and powerful figures in Whitehall. There's only one conclusion - a mole has infiltrated the highest levels of the nation's security. Operating in secret from within Westminster's darkest corners, former spy Solomon Vine must uncover the traitor. Because Britain's future hangs in the balance. And with it the fate of the whole world.

London, 1953. Harry Towers is a recently retired, and even more recently widowed, British intelligence officer. After a night spent drinking away his sorrows, he is awakened by a phone call with chilling news. His estranged son Sean has gone missing in Tehran after writing a damning article about government officials in the opium trade. Harry springs to action, eager to reunite with his son. When he arrives in Tehran, a city roiling on the brink of a historic coup, Harry joins forces with Sean’s Iranian girlfriend Shahnaz—seemingly the only other person interested in finding him.

Lyndsey was once a top handler in the Moscow Field Station, where she was known as the "human lie detector" and praised for recruiting some of the most senior Russian officials. But now, three Russian assets have been exposed - including one of her own - and the CIA is convinced there's a mole in the department. With years of work in question and lives on the line, Lyndsey is thrown back into life at the agency, this time tracing the steps of those closest to her.

Nothing about Emma Makepeace is real. Not even her name. A newly minted secret agent, Emma's barely graduated from basic training when she gets the call for her first major assignment. Eager to serve her country and prove her worth, she dives in headfirst. Emma must covertly travel across one of the world’s most watched cities to bring the reluctant—and handsome—son of Russian dissidents into protective custody, so long as the assassins from the Motherland don’t find him first.

When a house explodes in a quiet Oxford suburb and a young girl disappears in the aftermath, Sarah Tucker becomes obsessed with finding her. Accustomed to dull chores in a childless household and hosting her husband’s wearisome business clients for dinner, Sarah suddenly finds herself questioning everything she thought she knew, as her investigation reveals that people long believed dead are still among the living, while the living are fast joining the dead.

Robert Harland ended his career as a British spy in an Austrian hospital, after being tortured and beaten by Czech security agents in the last days of the communist regime. He was young enough then to find a new life with the Red Cross and then with the UN.

The village of Badger's Drift is the essence of tranquillity. But when resident and well-loved spinster Miss Simpson takes a stroll in the nearby woods, she stumbles across something she was never meant to see, and there's only one way to keep her quiet. Miss Simpson's death is not suspicious, say the villagers. But Miss Lucy Bellringer refuses to rest: her friend has been murdered. She is sure of it.

After the assassination of his wife and son, Gabriel Allon retires from his brutal anti-terrorist career and loses himself in his previous cover job: art restoration. But when Tariq al-Hourani, the Palestinian terrorist responsible for his family’s death, begins a killing spree designed to destroy Middle East peace talks, Gabriel once again slips into the shadowy world of international intrigue. In a global game of hide-and-seek, the motives of Gabriel and Tariq soon become more personal than political.

Ariel Price wakes up in Lisbon, alone. Her husband is gone—no warning, no note, not answering his phone. Something is wrong. She starts with hotel security, then the police, then the American embassy, at each confronting questions she can’t fully answer: What exactly is John doing in Lisbon? Why would he drag her along on his business trip? Who would want to harm him? And why does Ariel know so little about her new—much younger—husband?

Nobel Prize-winning scientist Sarah Collier has taken a step back from work to spend more time with her family. Movie nights with her husband Daniel and their daughter Maddie are a welcome respite from the scrutiny of the world’s press. As much as it hurts, it’s good to be able to see her father more too. He’s suffering from Alzheimer’s and needs special care. Sarah has started to show tell-tale signs of the disease too. She’s been experiencing blackouts and memory loss. It’s early days but she must face the possibility that she won’t be there to see her daughter grow up.

I Let You Go follows Jenna Gray as she moves to a ramshackle cottage on the remote Welsh coast, trying to escape the memory of the car accident that plays again and again in her mind and desperate to heal from the loss of her child and the rest of her painful past. At the same time, the novel tracks the pair of Bristol police investigators trying to get to the bottom of this hit-and-run.

A sophisticated, pause-resisting double love story spanning 40 years-an unforgettable Brief Encounter for our times. It is 1960. When Jennifer Stirling wakes up in the hospital, she can remember nothing-not the tragic car accident that put her there, not her husband, not even who she is. She feels like a stranger in her own life until she stumbles upon an impassioned letter, signed simply "B", asking her to leave her husband. Years later, in 2003, a journalist named Ellie discovers the same enigmatic letter in a forgotten file in her newspaper's archives.

For fans of the compulsive psychological suspense of Ruth Ware and Tana French, a mother daughter story—one running from a horrible truth, and the other fighting to reveal it—that twists and turns in shocking ways, from the internationally bestselling author of The Scholar and The Ruin.

Early one morning on the shore of the Thames, DCI Samuel Owusu is called to the scene of a gruesome discovery. When Owusu sends the evidence for examination, he learns the bones are connected to a cold case that left three people dead on the kitchen floor in a Chelsea mansion thirty years ago. Rachel Rimmer has also received a shock—her husband, Michael, has been found dead in the cellar of his house in France. All signs point to an intruder, and the French police need her to come urgently to answer questions about Michael and his past that she very much doesn’t want to answer.