The book "Operating Temperature 37° Celsius" offers a comprehensive analysis of the complex interactions within human body systems. Written by Siegfried Kiontke, it illuminates the connections between various physiological processes and their impact on health. With a clear focus on alternative medicine, the work is aimed at professionals and those interested in the fields of medicine and nursing. The detailed presentation and solid scientific foundation make it a valuable reference for anyone looking to understand the mechanisms of the human body. The second edition, published in 2015, provides updated information and insights.