When Michael Поллан prepared to investigate application of narcotic substances in treatment of depression, dependence and anxiety, that it is so difficult to overcome, he not nearly intended to create that turned out, - most personal from his books. But discovering that these substances are able to improve quality life of not only mentally ill but also fitted as a fiddle people, barely retentive pressure from the side of daily occurence, he decided to define entered the topography of own consciousness and great deal from the first person. So his trip on the different changed states, during that he calls to the achievements of science about a brain, began. Поллан also quite a bit did some work in archives, to separate a true about психоделиках from widespread myths prevailing in ideas about them from 1960th, when negative attitude was lobbied toward that had potential for science.It unique combination of history, medicines and sciences with biographic episodes, keen description of the personal experience, sending to the new border of our understanding of reason, personality and place in the world. An authentic theme is the "психоделического травелога" Half-field are not only психоделики but also insoluble riddle of human consciousness - as in the world, pushing off us with suffering and pleasures, we can find sense in our lives.In format of PDF A4 a publishing layout is stored.