Boston: Houghton Mifflin, 1990. dj. Hardcover first edition - Based on two years of travel and research in Africa, this tells the stories of scientists who are working in virology, in the study of desertification and the causes of famine, in experimental planting, of those who are trying to combine traditional African methods with the modern scientific methods of the west. Bibliography, index. 304 pp. Map endpapers. ISBN: 0-395-415020.