An “invisible” is CIA-speak for the ultimate intelligence nightmare: The terrorist who, because he or she is an ethnic native of the target country, can cross its borders unchecked, move around that country unquestioned, and infiltrate its institutions with ease. An invisible on mainland Britain was the worst possible news. For Liz Carlyle, an MI5 Intelligence Officer, this report from MI6 marks the start of an operation that will test her to the limit and put her own life in jeopardy.

The world is on the brink of crisis. The Cold War is playing out once more on the global stage. And governments will do whatever it takes to stay at the top. To those who don't really know her, Kate Henderson's life must seem perfectly ordinary. But she is in fact a senior MI6 officer, who right now is nursing the political equivalent of a nuclear bomb. Kate's most recent mission has yielded the startling intelligence that the British Prime Minister has cancer - and that one of the leading candidates to replace him may be a Russian agent of influence.

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.

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.

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.

Umiko Wada has had enough excitement in life. With an overbearing mother and her husband recently murdered, she just wants to keep her head down. As a secretary to a private detective, her life is pleasantly filled with coffee runs and paperwork. That is, until her boss takes on a new case. A case that is surrounded by shadows. A case that means Wada will have to leave Tokyo and travel to London.

High-powered CIA analyst, happily married to a man she adores, mother of four beautiful children. Until the moment she makes a shocking discovery that makes her question everything she believes. She thought she knew her husband inside and out. But now she wonders if it was all a lie. How far will she go to learn the truth? And does she really...need to know?

CIA Case Officer Sam Joseph is dispatched to Paris to recruit Syrian Palace official Mariam Haddad. The two fall into a forbidden relationship, which supercharges Haddad's recruitment and creates unspeakable danger when they enter Damascus to find the man responsible for the disappearance of an American spy. But the cat-and-mouse chase for the killer soon leads to a trail of high-profile assassinations and the discovery of a dark secret at the heart of the Syrian regime.

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.

When a daring, high-tech CIA operation goes wrong and is disavowed, Michael Dunne sets out for revenge. CIA operations officer Michael Dunne is tasked with infiltrating an Italian news organization that smells like a front for an enemy intelligence service. Headed by an American journalist, the self-styled bandits run a cyber operation unlike anything the CIA has seen before. Fast, slick, and indiscriminate, the group steals secrets from everywhere and anyone, and exploits them in ways the CIA can neither understand nor stop.

Joe Wilderness is a World War II orphan, a condition that he thinks excuses him from common morality. Cat burglar, card sharp, and Cockney wide boy, the last thing he wants is to get drafted. But, in 1946, he finds himself in the Royal Air Force, facing a stretch in military prison...when along comes Lt Colonel Burne-Jones to tell him MI6 has better use for his talents. Posted to occupied Berlin, interrogating ex-Nazis, and burgling the odd apartment for MI6, Wilderness finds himself with time on his hands and the devil making work.

When an Israeli tech executive disappears from Charles de Gaulle airport with a woman in red at his side, logic dictates youthful indiscretion. But Israel is on a state of high alert nonetheless. And for Commissaire Léger of the Paris Police Force, all coincidences are suspect. When a second young Israeli from the flight is kidnapped, this time at gunpoint from his hotel room, his suspicions are confirmed - and a diplomatic crisis looms.

Here's the first of best-selling author Tony Park's gripping thrillers to be published in audio by Bolinda."In a luxury private safari lodge in Kruger National Park, Detective Sergeant Tom Furey has just woken to a protection officer's worst nightmare. The VIP in his charge, British government minister, Robert Greeves, has been abducted. Knowing his career is on the line, Furey vows not to stop searching until Greeves is found - dead or alive.

Conrad Clarke, former RAF pilot and alleged gangster, gets a text – and a visit – from The Allfather. Odin has a challenge for Conrad: Sign up to protect England from wild magick and get a commission in the King’s Watch. All he has to do is find a missing witch. Simple. Conrad never could resist a challenge. Before you can say “Ragnarok”, he’s plunged into a world of gods, mages, witches, dwarves, and one very aggressive giant mole.

The Dark Yorkshire Series - fast-paced crime fiction stories featuring DI Nathaniel Caslin. The first three full-length books in this best-selling series are brought together for the first time in this great value set.