The book "The First Deadly Sin" is an exciting detective story written by the American writer Lawrence Sander. In the center of events is a case of mysterious murders that terrorize the residents of New York. The main character, police officer Edward Delaney, goes on the trail of this brutal serial killer who leaves behind a trail of deadly sins. The author skillfully presents the mystery to the reader, revealing the moral and psychological aspects of the crimes and leads to an incredible ending that will keep you on your toes until the last page. "The First Deadly Sin" is an exciting book that will not leave indifferent any fan of the detective genre.