MI5 officer Liz Carlyle is posted to Northern Ireland. From the moment she lands in Belfast, danger follows. She soon discovers that the peace process in the province is precarious. Then a source reports strange goings-on at a house on the Irish Sea owned by the Fraternity, an organisation Liz suspects of being a front for renegade former IRA men. Its head is Seamus Piggott, an Irish-American with a gun-running past.

When pirates attack a cargo ship off the Somalian coast and one of them is found to be a British-born Pakistani, MI5 Intelligence Officer Liz Carlyle is brought in to establish how and why a young British Muslim could go missing from his family in Birmingham and end up on board a pirate skiff in the Indian Ocean, armed with a Kalashnikov. After an undercover operative connected to the case turns up dead in a shipping office in Athens it looks like piracy may be the least of the Service’s problems...

In 2012, in a Middle Eastern souk, CIA agent Miles Brookhaven was attacked. He was infiltrating rebel groups in the area and no one was certain if his cover had been blown or if the act was just an arbitrary attack. Now, Liz Carlyle and her Counter Terrorism unit in MI5 have been charged with the task of watching the international under-the-counter arms trade and British Intelligence forces have become increasingly concerned that extremist Al-Qaeda jihadis are building their power base ready to launch another attack.

Geneva, 2012. When a Russian intelligence officer approaches MI5 with vital information about the imminent cyber-sabotage of an Anglo-American Defence programme, he refuses to talk to anyone but Liz Carlyle. But who is he, and what is his connection to the British agent? At a tracking station in Nevada, US Navy officers watch in horror as one of their unmanned drones plummets out of the sky. Is this a Russian plot to disable the West’s defences? Or is the threat coming from elsewhere?

Liz Carlyle has been transferred to Counter-Espionage, along with her research sidekick Peggy Kingsolving. Although the department has downsized since the end of the Cold War, there are still spies: including Russian spies who now keep an eye on the international financial community as well as the wealthy, influential Russian "oligarchs" in London. Liz is assigned to stop a Russian government plot to "silence" one of these oligarchs.

MI5 Intelligence Officer Liz Carlyle learns from one of her agents that suspicious meetings have been taking place at an Islamic bookshop. She feels instinctively that a terrorist cell is at work and when she reports this to Charles Wetherby, the Director of Counter Terrorism, a surveillance operation is immediately put into place. An attack seems imminent.

A man lies dying in a hospital in upstate Vermont. The nurses know only that he is an academic at a nearby university, but they have been instructed to call the FBI should anyone visit their patient. News of this suspected Russian illegal soon reaches MI5, where Liz Carlyle has been contacted by Mischa, a top secret source who is requesting a clandestine rendezvous in Berlin. 

MI5 Intelligence Officer Liz Carlyle has received alarming intelligence from a source in Syria. A Middle East peace conference is planned to take place at Gleneagles in Scotland, and the Syrians have learned that two individuals are mounting an operation to disrupt the conference in a spectacular way, laying the blame at Syria's door. As the conference deadline draws ever closer, Liz discovers that the threat is far greater than she or anyone else could have imagined. But so many questions are still to be answered.

Lisbon, 1943. After escaping from Nazi-Occupied France, SOE agent Elisabeth de Mornay, codename Cecile, receives new orders: she must infiltrate high society in neutral Lisbon and find out who is leaking key information to the Germans about British troop movements. As Solange Verin, a French widow of independent means, she will be able to meet all the rich Europeans who have gathered in Lisbon to wait out the war. One of them is a traitor, and she must find out who before more British servicemen die. 

MI6 plan to assassinate the leading maker of IEDs - roadside bombs- as he leaves his house in Iran. But first, they need to know when he is leaving. So it is that Danny 'Badger' Baxter finds himself in Iran, lumbered with a partner he loathes, lying next to a mosquito-infested marsh, observing the house. And knowing that if they are caught, Her Majesty's Government will deny all knowledge of them.

Deadlier than the Mafia, the Camorra never forget, and never forgive. She is an Italian accountancy student in London, and her boyfriend Eddie teaches at a language school. But the prime reason Immacolata Borelli came to Britain was to look after her gangster brother, wanted for multiple murders back home in Naples. For the Borelli clan are major players in the Camorra, a crime network more close-knit and ruthless than the Sicilian Mafia.

The fatal poisoning of a Russian billionaire sends Gabriel Allon on a dangerous journey across Europe and into the orbit of a musical virtuoso who may hold the key to the truth about his friend’s death. The plot Allon uncovers leads to secret channels of money and influence that go to the very heart of Western democracy and threaten the stability of the global order. 

In a moment of suspense that will affect many thousands of lives, a handful of people will converge on a barren stretch of Yemeni desert. Corrie Rankin is already a legend at MI6 when he is sent to take down a high-value player in the war against Al Qaeda. This is Jericho's War. The weapons it deploys and the brutal aims it pursues are state of the art. The fear it breeds and the raw bravery it demands are as timeless as the desert itself.

Attempting to rebuild her shattered life in the South of France, former MI6 operative Kate Henderson receives an unexpected and most unwelcome visit from an old adversary: the UK prime minister. He has an extraordinary story to tell - and he needs her help. A Russian agent has come forward with news that the PM has been the victim of the greatest misinformation play in the history of MI6. It's run out of a special KGB unit that exists for one purpose alone: to process the intelligence from 'Agent Dante', a mole right at the heart of MI6 in London.

It's not unusual for spies to have secrets, but Henry Hunter has more than most, and after he is stopped by British Intelligence at Croydon airport on the eve of the Second World War, he finds he has even more. In March 1941 in Berlin, haunted by a dark episode from his past, he makes a fateful decision resulting in a dramatic journey to the Swiss frontier, with a shocking outcome.