This is an introductory botany text, with the best set of interrelated facts that this reviewer has seen. The book is written from the standpoint of economic botany, relating the values of plants to their ecological, physiological, reproductive, etc., characteristics. There are four main parts to the book, beginning with “Man and the World of Plants.” After this survey of the plant kingdom, the “Levels of Plant Organization,” including molecules, cells, tissues and organs, organisms, and communities, are discussed. “Plants in Action” follows, with excellent discussions of the physiology, methods of growth and movement, and environmental relationships of the plant The continuation of the race is covered in a section containing reproduction, heredity, and evolution.