A resource manual for practitioners of Cold Laser Therapy also known as Low Level Laser and Photo-bio-modulation Therapy. This book has evolved into a resource manual for practitioners of Cold Laser Therapy having trained with Gordon Farmer and subsequently qualifying for a Diploma in Therapeutic Laser. Every apprentice benefits from having a Master Craftsman to educate and guide them in the fundamental skills of their trade. President of the United Kingdom Institute for Therapeutic Laser and Principal of Cold Laser Academy GB, Gordon Farmer is acknowledged worldwide as one of the most experienced and knowledgeable practitioners of Cold Laser Therapy. It was a privilege to receive individual tuition from him encompassing many facets of Cold Laser Therapy including the history, science, theory and practice of laser physics. The curriculum also included the guidelines and parameters for conducting treatments, the physiological effects, protocols for general health issues and familiarity with the operation of a Class 3B Laser System.