The Demon's Sermon on the Martial Arts:

and Other Tales

by Issai Chozanshi

by William Scott Wilson

Aura, Ki & Healing

Change Your Life!:

How to Produce and Project Mental Energy As External Power and How to Create a Radar System for Martial Artists

by Shojiro Sugiyama

Martial Arts Teaching Tales of Power and Paradox:

Freeing the Mind, Focussing Chi and Mastering the Self

by Pascal Fauliot

Empty Force - The Power of Chi for Self Defence & Energy Healing

by Paul Dong

& Thomas Raffill

Ki and the Way of the Martial Arts

by Kenji Tokitsu

Ki in Daily Life

by Koichi Tohei

The Ki Process:

Korean Secrets for Cultivating Dynamic Energy

by Scott Shaw 

Chi: Discovering Your Life Energy

by Waysun Liao