The book under review is a compendium of fifteen theoretical and clinical papers written by the distinguished Argentinian psychoanalyst León Grinberg during the almost twenty years since his emigration to Spain. The title reflects the author's interpersonal perspective: on the basis of an indepth study of the thought of Freud, Klein, Bion and others, coupled with many years of clinical experience, he has concluded that the activity of psychoanalysis is a dynamic, living interchange between two people. In his view, it is defined not by the mere understanding of the patient's fantasy by a supposedly objective analyst, but by the creation of a bipersonal field, involving a new experience