The book contains information on aromatic plants containing essential oils, their medicinal value and essential oil composition. This book offers a comprehensive overview of the aromatic plants of Eastern Uttar Pradesh. The detailed description of each plant, including botany, essential oil composition and medicinal values gathered from various secondary sources has been compiled in this book. The information presented will be helpful for researchers working in the area of interaction of plant essential oils and bio-prospection. In addition to researchers, it is envisaged that this book will also serve as a reference book for graduate and post graduate students.