"Katty" is a book that captivates from the first pages with its unpredictability and mystery. The author successfully combined the elements of a psychological thriller and a detective story, creating an exciting story that keeps you in suspense until the last page. The main character seems to have a perfect life, but a secret from her past turns her life into a real nightmare. The reader, together with her, begins to unravel the mystery of her past and feels every change of mood and risk that accompany the main character on her way to the truth. "Katty" is a book that plunges the reader into a vortex of imaginary reality and leaves behind thoughts about human nature and the influence of the past on our future.