Underutilized and underexploited Horticultural crops form an integral part of healthfood, greenparks, neutraceutical industry, home decorations, renewable sources of green energy and above all foodreserves during calamities.  Leaf vegetables like agathi, chekkurmanis, waterleaf, drumstick leaf, basella and colacasia leaf are rich in fibre, minerals and chow-chow are rich in iron and amino acids.  Fruits like karonda, aonla and cherries are highly nutritious and are suited to less moisture soils.  Noni is a fruits for health.  Noni juice is recommended against diabetes, obesity and sleeplessness.  Among spices, longpeper, mint, celery, fenugreek and garcenia possess medicinal properties.  There are a large number of underexploited medicinal plants like tulsi and peppermint with considerable economic value.  Tuber crops like lesser yam, larger yam, yam bean and winged bean have high energy value.  Underutilized crops in Tripura, Orissa and Kerala are specially mentioned.  There is need to broaden the food basket with lesser known crops.  There is a shift from Health Care to Wellness Industry.  Prevention is always better than cure.  The present volume deals with underexploited and underutilized horticultural crops in its totality.  The contributors of each chapter are working scientists in the specific crop.