Gradually the sciences of the human mind are achieving levels of abstraction and rigor appropriate to the discussion of mental processes. But Milton Erickson has been ahead of the field in this respect for forty years. This big book is a collection of his papers with some commentary by Jay Haley, and it is a most extraordinary collection. Erickson’s method, whether of therapy or research, is the precise use of hypnosis. Under this investigation, the human mind turns out to be as precise in its evolutions and timing as a minuet.