To read more about Japanese art and meditation, check out The Japanese Way of the Artist. You can order your copy at:
Brush Meditation is devoted to H. E. Davey's book "Brush Meditation: A Japanese Way to Mind & Body Harmony." This work is out of print, but the entire book was recently included in the new anthology "The Japanese Way of the Artist." "The Japanese Way of the Artist" can be purchased at www.amazon.com.