A woman linked to an academic community returns to a college where puzzling acts and a climate of fear have erupted; an investigator connected to her seeks to discover who is behind the incidents and why.

A celebrated detective traveling home is detained when a murder is found on the Orient Express after heavy snowfall. Stranded passengers become a finite pool of suspects and the detective must sort through conflicting alibis, motives, and testimony to reconstruct what happened before the train resumes its journey.

A San Francisco private detective becomes tangled in a case that hinges on a coveted object and a series of killings. The narrative presents events from an external third-person viewpoint—reporting only actions, dialogue, and appearances—so the mystery and shifting loyalties carry the dramatic weight.

A baffling murder in 1920s London brings together an informal club of six armchair detectives who each propose different solutions to the same facts. The novel turns the detective parlor game into its subject, testing how many plausible—but ultimately flawed—explanations can arise from identical evidence.

A murder occurs within a limited social circle and the central account is delivered in first person by a figure close to the investigation; a famous private detective appears and works from clues and interviews to identify the killer.

A mystery told through several first-person documents and witness statements: an artist-teacher becomes entangled with a disturbing female figure and a dispute over inheritance and identity.