The official Amsterdam guidebook that the government puts in hotel rooms includes this admonishment not to buy unofficial drugs from strangers: "They will try to sell you fake cocaine (probably bad speed, if nothing worse), or fake ecstacy (probably bad speed, if nothing worse). Do you want to find yourself stumbling around a strange crossroads in an unknown town, making yourself a fool, a city map clutched in your hand with roads crawling like snakes on the paper, hallucinating like an oilslide?"