The human usage of psychoactive plants and fungi dates back thousands of years and they are still being used by millions of people today. Among the psychoactive substances, there is a group that generates very specific effects: the psychedelics.
In this ebook, the most widely used psychedelic substances DMT, LSA, LSD, mescaline and psilocybin (in "shrooms") are discussed. You'll read about their history, current (medical and therapeutic) usage, methods of ingestion and types of experiences they generate. You can download it for free here: