Mark Twain's "Double Detective Novel" is a unique combination of humor, reflections on life, and an intricate plot. The main character, who is both a detective and a writer, investigates a case that contains many unexpected twists and turns. The author successfully combines the genres of detective and comedy, making the reader worry not only about solving the mystery, but also about the fate of interesting characters. "Double detective novel" is a book that will definitely not leave you indifferent, combining intrigue, laughter and philosophical thoughts.