A retired art professor and collector secretly works as a professional assassin. He is pulled back into service to avenge the murder of an American agent, a mission that entwines high-altitude mountaineering with clandestine espionage and a fixation on art objects.

Set against the political tensions of the early 1960s, an American intelligence officer, Paul Christopher, investigates the assassination of President John F. Kennedy.

A tightly plotted conspiracy thriller about a young man drawn into a dangerous web of secrets connected to his brother and a larger, violent past.

A solitary, resourceful man becomes both would-be assassin and hunted prey after attempting to kill a powerful foreign figure.

An espionage thriller centered on a woman trained by Russian intelligence to use seduction and deception as tools of recruitment and infiltration.

A methodical police investigation into a series of linked killings anchors the book: detectives follow cryptic clues that connect victims and a recurring symbolic motif as they race to identify a serial perpetrator.

Set around a near-future global election system in which small, competitive micro-democracies (centers of political power) and powerful information platforms shape outcomes, the book follows intersecting characters whose loyalties, jobs, and survival link to campaigns, corporate interests, and the flow of data.

A coded plea from deep inside frozen Russia summons a linguistically gifted outsider to infiltrate a secret research installation.

A group of older, formerly professional killers—now ostensibly retired—are pulled into a dangerous sequence of events when a job and its fallout force them to act. The book follows their attempts to manage threats, reckon with past choices, and protect one another while outside forces close in.

A professional intelligence agent confronts remnants of Nazi networks in postwar Germany while operating alone under pressure. The plot orients around investigatory fieldwork, covert contacts, and the moral and operational dilemmas that arise when pursuing hidden enemies in a tense European setting.

A crime reporter becomes personally entangled when a close relative's death points to a pattern of murders; he pursues leads that connect newsroom sleuthing to federal investigations.

An ordinary-seeming encounter between strangers escalates into a plotted decision about murder and consequence. The setup focuses on characters who trade confidences and proposals that test ethics and self-interest, then follow the fallout as allegiances and truth become unreliable.