In this sequel to Richard A. Peck's first novel, Ancient Travels, the mission and lives of Master Liu and his devoted student Pei Ke continue to evolve. The adventure escalates, the emotions rise, and the interactions require more complex responses as Acupuncture and the Chinese martial arts of Tai Chi Chuan, Pa Kua Chang, and Hsing-Yi Chuan continue to be woven throughout the story. Ancient Knowledge explains how daily activities like eating patterns and choice of food impact the functioning of our organs and psyche. We also begin to comprehend how the simple yet complex concept of Yin and Yang relate to conditions such as stress, insomnia, headaches, back and shoulder pain, infertility, menstrual problems and other internal issues and what we can do to resolve them.