British agent George Smiley hunts for a mole in the Secret Service and begins his epic game of international chess with his Soviet counterpart, an agent named Karla.

Magnus Pym, the perfect spy, disappears. His colleagues, his superiors, even his wife are baffled and shaken. He must be found because it's a matter of national security. But how can you find someone that no one really knows.

A veteran spy wants to "come in from the cold" to retirement. He undertakes one last assignment in which he pretends defection and provides the enemy with sufficient evidence to label their leader a double agent.

On a London street in broad daylight, world traveler Amity Doncaster is trapped in a carriage with a blade-wielding man in a black silk mask who whispers the most vile taunts and threats into her ear. Thanks to quick thinking and her secret weapon, Amity escapes with her life. But the monster known as the Bridegroom, who has left a trail of female victims in his wake, has survived the wounds she inflicted and will soon be on his feet again.

Hard-up Russia expert Dr. Sam Gaddis finally has a lead for a book that could set his career back on track. He has staggering new information about an unknown sixth member of the infamous Cambridge spy ring -- a man who has evaded detection for his entire life. But when his source suddenly dies, Gaddis is left with just shreds of his investigation, and no idea that he is already in too deep.

"Two years ago, a hostile Prime Minister launched the Monochrome inquiry, investigating "historical over-reaching" by the British Secret Service. 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...

On another harrowing mission, survival training comes in handy when Ben Ripley is stranded in the wilderness with his nemesis, Murray Hill.

"The Gray Man deals in death with mathematical precision, but this time he may finally find himself on the wrong side of the equation ... Court Gentry's flight on a CIA transport plane is interrupted when a security team brings a hooded man aboard. The mysterious passenger is being transported to England where a joint CIA/MI6 team will interrogate him about a mole in Langley. When they land at an isolated airbase in the UK, they are attacked by a...

Ex-KGB colonel Anna heads to America, where she is sought out by Adrian, the former boss of her deceased, ex-spy husband, who wants answers and information that only she possesses.

"British spy Elliot Kane is forced out of semi-retirement to investigate a colleague's suspicious death on Ascension Island, a remote and rocky outpost of the British military in the middle of the Atlantic. Despite uncovering a deep plot to incite a new world war, Elliot Kane has been on probation with the service since his misadventures in Kazakhstan. Having taken up a job teaching college literature and linguistics, he surprisingly enjoys living...