The Handbook, richly illustrated with over a thousand photos and many hundreds of diagrams and graphs, comprises a total of five fully elaborated chapters divided into clear paragraphs and is providedwith an index. The first chapter deals with people who consume potatoes, create economic value and set up related organizations. Chapter two is based on the plant, its growth, how it uses sun, water and mineral resources and how it defends itself against diseases and pests. In the third chapter, the Handbook gives an overview of the propagation material with both a genetic and a seed material component. All aspects of the crop in its environment of soil and weather in various climates as well as the influence of climate change is described in the fourth chapter. In conclusion, chapter five deals with the cultivtion and storage of the tubers with all the equipment and organization involved.