Psilocybin Mushrooms of the whole world - Paul Stamets Identification guidebook exclusively dedicated to the entire world's psilocybin-made up of mushrooms. Thorough descriptions and coloration photos for over a hundred species are furnished, and also an exploration in their long-standing (and sometimes religious) use by ancient peoples as well https://buypsychedelicsaussie.com.au/product/b-magic-mushrooms/