This is a smaller and less technical manual that we label our "Lay Person's Manual" which covers the basics of using and caring for the therapy device as well as all the same protocols of working with horses and dogs using the red light. This is a total of 124 pages of information in reference to many different aspects of Red Light Therapy and the technology. Written by Bob Burdekin, AES, CHHP a Board-certified Natural Health Practitioner with over 20 years experience working in the natural healthcare field.