The book "Circular Staircase" by Mary Roberts Rinehart is an exciting detective story that tells about the events that take place in a wealthy mansion during a summer vacation. The main character, the owner of the house, finds herself in the middle of mysterious events when strange and dangerous events begin to happen. Together with her, the reader uncovers intrigues, solves mysteries and tries to understand who is the real culprit of all the worries that started in this old house. The interweaving of unpredictable storylines and subtle atmosphere create an exciting mood and do not let the reader rest until the last page. "Circular Staircase" is a classic example of an American detective, which will certainly leave its mark in the hearts of lovers of crime stories.