The book Plant Secondary Metabolites is comprised of 11 chapters that cover a range of topics, including an introduction, history, biosynthesis, essential oils, alkaloids, glycosides, and more. The book is designed to provide undergraduate and postgraduate students in agriculture, Ayurveda, pharmacy, naturopathy, and home sciences with a comprehensive understanding of plant secondary metabolites. The book contains 45 tables, 60 figures, chemical equations, and color photographs to aid in the learning process. The goal of the book is to provide a one-stop resource for students, researchers, and faculty members in related fields to access the best available information on plant secondary metabolites.