The book "The Stark Munro Letters. A series of twelve letters written by J. Stark Munro, M.B., to his friend and former schoolmate Herbert Swanborough, of Lowell, Massachusetts, 1881-1884" by the famous author Arthur Conan Doyle is an interesting a literary document that creates a unique portrait of the era. In his communications, Munro reveals his ideas, experiences and observations to us, creating a unique world of his reflections and thoughts. This book is an excellent example of Doyle's literary talent and his ability to profoundly express deep philosophical and moral considerations through his protagonist's perception of the world.