Book excerpt: This book covers important topics on various neglected and underutilised crops (vegetables, cereals, fruit crops). It gives an overview of the potential, availability of genetic and genomic resources, and the future prospects of these food crops. The book presents different chapters on the importance of underutilised crops with respect to sustainable agriculture and describes the approaches that must be followed for improving the yield and production of these crops. It covers a wide range of food crops such as millet, buckwheat, underutilised spices, underutilised vegetables and underutilised fruit crops. It also provides insights on what smart foods are? And, whether these neglected crops qualify as smart foods? This up-to-date and informative book is meant for food scientists, geneticists, breeders and biotechnologists. It is of interest to students, researchers and course instructors in these fields.