books.google.co.nz - Provides a framework for understanding the enormous amount of information available on psychoactive substances. Stafford relays the history, botany, chemistry, physical and mental effects, forms, sources, and preparations of LSD—the most potent and representative of class of drugs called psychedelics....https://books.google.co.nz/books/about/Psychedelics.html?id=wbZFLYGe4U8C&utm_source=gb-gplus-sharePsychedelics