The House on the Roof

In this "Class A mystery" from the golden age of detective fiction, a woman witnesses a murder in the penthouse of her building and becomes a suspect (The New York Times).

It's an invitation Deborah should never have accepted. Tea with Mme. Mary Monroe, the famous opera singer, in her eerie house on the roof of their apartment building. Once there, what can Deborah do but politely agree to accompany the lonely Madame on the piano? But just as the singer is swept up in the strains of Massene...