A mid-20th-century suspense novel about a charming but morally unstable man who adopts false identities to infiltrate lives and escape detection. The central pressure is his need to maintain appearances while evading suspicion after his deceptions lead to criminal acts.

A father with a criminal past confronts an urgent family crisis involving his daughter and choices that threaten to undo both their lives. The setup focuses on parental responsibility, the consequences of past crimes, and a high-stakes situation that forces the protagonist to weigh loyalty, protection, and legal peril.

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.

An ostensibly ordinary man becomes entangled in international intrigue and must flee to survive after learning of a conspiracy. The setup focuses on pursuit, mistaken identity (or forced suspicion), and a race to uncover key information before hostile agents can stop him.

A professionally curious narrator pursues the life of a shadowy criminal figure across interwar European settings, following clues from travel and chance encounters to reconstruct motive and method.

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 tightly plotted political thriller about a professional assassin hired by a dissident French paramilitary group to carry out a high-profile killing. The book sets up a procedural duel between the lone contractor's meticulous preparations and the official security forces racing to identify and stop him.

A determined investigator reopens a dangerous case tied to recent political violence and personal loss, tracing clues that connect domestic life to wider conflict. The book follows her efforts to untangle family grief and a history of unrest while someone with violent intent may still be at large.

A careful-minded man becomes entangled when a neighbor's emergency draws him into a clandestine act; the novel sets a moral and intellectual test between loyalty and law.

A young woman on a tight budget takes a cheap apartment and soon experiences strange, threatening phenomena that suggest the place itself — and those connected to it — endanger her.

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

Told from the viewpoint of a returning World War II veteran, the novel follows his arrival in Los Angeles and the tense relationships he forms there while an external string of murders and police investigation encircle him.