The book "The Painted Room" by the author Margaret Wilson is a fascinating story about a mysterious crime that took place in an old mansion on the outskirts of the town. The main character, a young architect Emily, decides to reveal this secret when she finds an old, tricked-out wall painting in a dirty room. During the investigation, she faces criminals, complexities of the past and her own fears. The book "The Painted Room" is an exciting modern detective story that will keep you in suspense until the last page.