Medicinal plants and plant-derived medicine are widely used in traditional cultures all over the world and they are becoming increasing popular in modern society as natural alternatives to synthetic chemicals. It is a fact that many cultures throughout the world still rely on indigenous medicinal plants for the primary health care needs. To date, 25% of the modern medicines are derived from plants that have been used by traditional medical practitioners. The aim of the unique book is provide scientific, technical and socio-economic data on ten medicinal plants that have been successfully commercialised in South and East Africa and which the authors believe offer considerable further scope for wealth creation and employment. These profiles provide concrete examples of the `green gold' that lies waiting to be developed in Southern Africa.