Synopsis Since early human civilization the basic needs of human beings were food, shelter and clothing. As the world progressed some other' economic uses came into existence. The present book Economic Importance of Plants of two volumes. Vol. I (Food and Sacred Plants) and Vol. II (Industrial and Drug Plants). This book is especially written for undergraduate and Post-graduate students of all Indian and Foreign Universities this will also be helpful for students pursuing research in this field of wide interest. The authors have tried their best to cover every aspect of economic importance of plants, if anyone feels something more to be included and there is any mistake they are welcome with suggestions so that can be rectified in next edition.