There is Global concern on shrinking food base depending on a meager three crops-wheat, rice and maize-. New Crops are to be encouraged to fit into the changing food habits, life styles and above all climate change. Underutilized Horticultural Crops are getting attention world around. The High Impact Journal HortScience reviewed vol. II Underutilized and Underexploited Horticultural Crops and reported its global value. The series projects the nutritional values, ecological compatibility, fitness to ecological niches and above all optimum uses of natural resources like water, energy, space and time. Volume 4 deals with edible plant foods in Africa, African Leafy Vegetables, Amaranths, Chilies, Annual Drumstick, Clove bean, Cluster bean, Curry leaf, Ivy Gourd, Snap melon, Sweet Gourd, Teasles Gourd, Tree borne vegetables, Fruits of North Eastern Region, Dragon Fruit, Wood apple, Strobilanthes, Seed Spices, Yam bean and Trees for Energy. Twenty chapters in the 4th volume are compiled by the Eminent Scientists in the respective crops. The volume 4 envisages a world free from hunger and under nutrition and full of health and wellness.