This book serves as an introduction to graduate students and early career researchers on chemistry and botany of the cannabis plant. Cannabis botany, propagation, biotechnology, chemistry, cannabinoids and their biosynthesis, chemovars of cannabis and their identification as well as the other chemical classes of compounds known to exist in the plant. Analytical method are discussed to establish identity and Potency changes over the years in the United States. This book will build a base of knowledge on the complexity of cannabis chemistry. Features The Cannabis Chemistry Subdivision of the American Chemical Society recently founded in 2022 the ElSohly Award sponsored by Heidolph North America in honour of Prof. Mahmoud A. ElSohly. This award provides researchers, students, and industry professionals with resources to present their work at the Spring National Meeting of the American Chemical Society at the ElSohly Award Symposium. More cann-acs.org wp-content uploads 2020 12 CANN-Postcard-Award.pdf