A Guide Book for the Martial Artist; Instructor or Student or even someone looking for a new school to train. The Essence of Martial Arts is a guide compiled from the training & experiences of Shodai Soke Bruce Calkins. A Student of the Martial Arts for 43 years, Soke Calkins is offering his experiences and theories on traveling the Martial Arts Path. Это и многое другое вы найдете в книге The Essence of Martial Arts: A Way of Life (Dr. Bruce D. Calkins Ph.D.)