From Amazon dot com: "Henry Tibbett is attending an international police conference intended to stop drug-smuggling. The conference is in Switzerland, and it's all a glittering whirl of attractive folks in their best early-1960s attire until one of Henry’s colleagues winds up dead and Henry becomes a suspect."
Patricia Pakenham-Walsh, also known as Patricia Moyes (19 January 1923 – 2 August 2000) was a British mystery writer. Her mystery novels feature C.I.D. Inspector Henry Tibbett. One of them, Who Saw Her Die (Many Deadly Returns in the USA) was nominated for an Edgar Allan Poe Award in 1971. Moyes was inducted into the Detection Club in 1971. In addition to the Tibbett mysteries, she also wrote several juveniles and short stories.