'Sweet Potato Varietal Evaluation Trial for Food Nutritional Values' is a book that describes what your body acquires when you eat the varieties of sweet potatoes studied. it is a practical teacher of the nutrient and carotene potential of sweet potatoes in general, and the specified varieties in particular. Our level of scientific advancement requires that we do not just eat food for the attractive look of it, but for nutrient and health benefits. The book presents quantitatively, the protein, carbohydrate, fat, etc. content, the concentrations of the minerals magnesium (Mg), sodium (Na), potassium (K), calcium (Ca) iron (Fe) and zinc (Zn) as well as the concentrations of beta-carotene and total carotenoids in the varieties of sweet potatoes studied. These facts are written in standard but simple English for the non-scientist to understand.