Tropical root and tuber crops form an important group of food crops for millions of people (about one-fifth of the world population), especially those living in the tropical and sub-tropical zones. Tuber crops are the third important food crops after cereals and grain legumes. The carbohydrates synthesized in the leaves and stored in the form of starch in the underground roots and tubers, which are not only for food, but also a raw material for several industries. Among the many tuber crops available, only a few have been domesticated and widely cultivated for edible and industrial purposes. This book addresses the principal issues connected with selected tuber and root crops, their origin, global distribution, cultivation details, and their global commercial potential, vis-