This book includes 20 different chapters, where the authors have addressed various aspects of the cultivation, taxonomy, socio-economic importance and breeding and development as applied to neglected and underutilized crops. The first chapter deals with the more general aspects of the cultivation and propagation of these crops, thirteen chapters concentrate on specific neglected crops, nine of which focus on seed propagated crops and the remaining four on vegetative propagated ones, while the last five chapters describe the uses, importance, propagation and improvement of neglected and under-utilized crops from different regions of the world.