10. Laurelle Shanti Gaia. The Book on Karuna Reiki Advanced Healing Energy for Our Evolving World / Laurelle Shanti Gaia. Published by Infinite Light Healing Studies Center, 2001. – 160 p.
11. Mackenzie Clay. The Challenge to Teach Reiki / Publisher: A. J. Mackenzie Clay, 1992. – 60 p.
12. Nina L. Paul. Reiki For Dummies / Nina L. Paul. Publisher: For Dummies, 2005. – 360 p.