Light on the Origins of Reiki: A Handbook for Practicing the Original Reiki of Usui and Hayashi
The Hayashi Reiki Manual: Traditional Japanese Healing Techniques from the Founder of the Western Reiki System
This is Reiki: Transformation of Body, Mind and Soul from the Origins to the Practice
Reiki and Japan: A Cultural View of Western and Japanese Reiki
The Essence of Shinto: Japan's Spiritual Heart