Mentalization is the capacity to perceive and interpret behavior in terms of intentional mental states, to imagine what others are thinking and feeling, and is a concept that has taken the psychological and psychoanalytic worlds by storm. This collection of papers, carefully edited by Fredric Busch, clarifies its import as an essential perspective for understanding the human psyche and interpersonal relationships. The book is divided into theoretical, research and clinical papers, reflecting how the investigators thoughtfully and purposefully pursued each of these goals. Those involved in identifying mentalization have also made consistent efforts to measure and research the concept. Thus, in addition to expanding the theoretical bases and implications of mentalization and identifying clinically useful applications, the authors describe research that scientifically grounds the concept. Mentalization addresses and expands upon a number of implications of mentalization. These include:...