“Letters of the Living Deceased,” recorded by Elsa Barker in 1914-1918, represent the most amazing evidence of the eternity of life and the multidimensionality of being, the existence of the interconnection of worlds and the possibility of limitless improvement. The book describes the living conditions, beauty and danger of the Subtle World, and gives simple and effective advice on improving the earthly existence of mankind. The book consists of 3 parts: “Letters of the Living Deceased, 1914”, “Letters of the Living Deceased about the war, 1915”, “Last letters Living Deceased, 1917-1918". The publication is addressed to a wide range of readers.