Mary Roberts Rinehart

The Circular Staircase is a mystery novel in the "Had I but known" genre by American author Mary Roberts Rinehart. She wrote the book, which became her first best-seller, at her home at 954 Beech Avenue in Allegheny, Pennsylvania, now part of Pittsburgh. The "HIBK" genre is associated with several works of Rinehart, …

Mary Roberts Rinehart (1876-1958) was an American author of hundreds of short stories, poems, travelogues and special articles. Some of her very successful books and plays, such as "The Bat" (1920) were adapted for movies. While many of her books were best-sellers, critics were most appreciative of her murder …