Outlines Of Practical Hydrotherapy - Paperbackby John Harvey Kellogg (Author) ""Outlines of Practical Hydrotherapy"" is a comprehensive guidebook written by John Harvey Kellogg, a renowned physician and health reformer. The book delves into the science of hydrotherapy, which is the use of water in the treatment of various ailments. Kellogg provides a detailed overview of the different types of hydrotherapy, including hot and cold water treatments, steam baths, and water douches. He also covers