The book "Particular Infant Mortality in Lawton, in the Rural Sanitary District of Epping" by Sir William Henry Power is a detailed study devoted to the analysis of the tragic situation of increasing mortality among young children in a certain area. The author studies in detail the causes, conditions and possible options for solving the problem, trying to understand the mechanisms underlying this sad phenomenon. The book is an essential document for those interested in medical statistics and epidemiology, as well as for those seeking to understand the importance of qualitative analysis of demographic data in society.