Book excerpt: A Harvard graduate student and researcher explores a global entheogen system, discovering their practices leading to cognitive enhancement and, arguably, the next human form.Revised Advance Reader Copy, 2017From Cambridge to Moscow, Oxford to Zürich, Princeton to Mazar-i-Sharif and Bangkok, this journal of research interviews records the lifestyles within a most rare and elusive organization, one that has evolved special gifts: advanced capacities of thought, memory and perception.