
Harmony Wells came to Vienna to pursue her career as a concert violinist. Instead the beautiful young American girl found herself playing a part in a strange concert of evil when she moved into the old mansion on the Street of Seven Stars. In this house of intrigue, a sophisticated older woman, a charming, sinister man of the world, and a handsome, reckless young doctor each had plans for her. Yet whose lead should Harmony follow as she was whirled into a mad dance of passion and betrayal, and the throbbing heartbeat of love was drowned in the terrifying dissonance of danger? ...
Author

Mysteries of known American writer Mary Roberts Rinehart include The Circular Staircase (1908) and The Door (1930). People often called this prolific author often the American version of Agatha Mary Clarissa Christie. She, considered the source, used not the phrase "The butler did it," and people also consider that she invented the "Had-I-But-Known" school of mystery writing. Rinehart wrote hundreds of short stories, poems, travelogues, and special articles. People adapted many of her books and plays for movies, such as The Bat (1926), The Bat Whispers (1930), and The Bat (1959). Amid many of her best-selling books, critics most appreciated her murder mysteries. https://en.wikipedia.org/wiki/Mary\_Ro...