The book "The Most Wicked Trade" was written by Henry James and consists of letters discussing theatrical business. In this publication, the author shares his own thoughts and observations about drama and performances. Thanks to the reflections of Henry James, the reader can deepen his understanding of the essence of theatrical art and study its various aspects from the point of view of the famous writer. "The Most Unholy Trade" opens the door to the world of theater for the reader through literary letters that recreate the touching atmosphere and unforgettable impressions of theatrical productions.