This is a valuable collection of lectures by Karl Konig, on the subject of the relation of human beings to nature. Konig covers many aspects of biology, including humans and domestic animals, human organs, insect and plant, and nutrition. These classic texts are presented in their original form and language. KARL KÖNIG (1902-66) was well-known as a physician, author and lecturer. He began his work at the Institute of Embryology at the University of Vienna. In 1940 he founded the Camphill Movement in Scotland. Based on the educational ideas of Rudolf Steiner, the special education schools for children and villages for adults with special needs are now established all over Britain and Europe, North America and Southern Africa.