Recommended books for Reiki practitioners:
Hands of Light, by Barbara Ann Brennan
Wheels of Light, by Rosalyn L. Bruyere
Chakras for Beginners, by Amy White
Energetic Boundaries 101, by Joanna Schmidt
Reiki for a new Millennium, by William Lee Rand
The Original Reiki Handbook of Dr.Mikao Usui, Lotus Press