A "Renga" is an ancient form of Japanese poetry. The Divine Farmer's Renga is an homage to all the tea sellers, divine farmers, and pastoral gleaners whose use of medicinal herbs creates a kind of poetry all its own. The Divine Farmer's Renga is a "materia medica," or tome of medicine, that reads like a book of poetry. Or some might say it's a book of poetry that reads like a materia medica. Written straight from the heart, this unique work combines years of research, journal entries, letters, and notes written on table tops and the back of napkins from journeys around the world and into the...