"The Mark of the Knife" is an exciting detective book from the famous writer Clayton G. Ernst. This book tells the story of a mysterious murder in an elite town where every resident hides his secrets. The protagonist, a resourceful detective, goes in search of the killer, uncovering a tangled web of circumstances and conspiracies. With each page, the reader is immersed in the atmosphere of unpredictable turns of events and a tense solution that keeps you in suspense until the last page. "The Mark of the Knife" is an exciting book that will leave you on the edge of your seat, encouraging you to think and solve puzzles along with the main character.