This volume shows the reader the means by which a "man of power" sees, as opposed to merely looking, and how by his concentrated "seeing" he can, indeed must, "stop the world." In it, Carlos Castaneda describes the lessons, the omens, the exercises of the will and body, the arduous trials and tests, the simple yet mysterious demonstrations, the extraordinary visions and experiences by which don Juan, his mentor and friend, prepares him for the task of perceiving things as they are, instead of describing them by the words, conventions and standards of conventional, a priori ideas and language. Here, in the high mountains and in the bright arid desert, Castaneda reaches for power in a series of startling encounters with the unknown--a confrontation with death and the past in the form of an albino falcon, with the twilight wind, with a flesh-and-blood mountain lion, with a mountain fog--and learns the techniques, the concentration, the compassion of the hunter, the man who is "without routines, free, fluid.