Considers the concept of the container and the contained.

Bion's central thesis in this volume is that for the study of people, whether individually or in groups, a cardinal requisite is accurate observation, accompanied by accurate appreciation and formulation of the observations so made. The study represents a further development of a theme introduced in the author's earlier works, particularly in Elements of Psychoanalysis (1963) and Transformations (1965). Bion's concern with the subject stems directly from his psycho-analytic experience and reflects his endeavor to overcome, in a scientific frame of reference, the immense difficulty of observing, assessing, and communicating non-sensuous experience. Here, he lays emphasis on he overriding importance of attending to the realities of mental phenomena as they manifest themselves in the individual or group under study. In influences that interpose themselves between the observer and the subject of his scrutiny giving rise to opacity, are examined, together with ways of controlling them.

Tavistock Press was established as a co-operative venture between the Tavistock Institute and Routledge & Kegan Paul (RKP) in the 1950s to produce a series of major contributions across the social sciences. This volume is part of a 2001 reissue of a selection of those important works which have since gone out of print, or are difficult to locate. Published by Routledge, 112 volumes in total are being brought together under the name The International Behavioural and Social Sciences Library: Classics from the Tavistock Press. Reproduced here in facsimile, this volume was originally published in 1970 and is available individually. The collection is also available in a number of themed mini-sets of between 5 and 13 volumes, or as a complete collection.

Elements is a discussion of categorising the ideational context and emotional experience that may occur in a psychoanalytic interview. The text aims to expand the reader's understanding of cognition and its clinical ramifications.

Cogitations, the last of the posthumous publications, is a collection of occasional writings representing Bion's attempts to clarify and evaluate both his own ideas and those of others by casting them in written form and frequently addressing them to an imaginary audience. Covering a period between February 1958 and April 1979, Cogitations delves into a wide range of material - psychoanalysis and science, mathematics and logic, literature and semantics. Some form a background to Bion's theoretical development, showing the doubts and arguments leading to the ideas expressed in his books, others highlighting and detailing some of the more abstract points in them, and some exploring topics destined for books that were to remain unwritten.

Transformations continues the investigation of various aspects of psychoanalytic theory and practice which the author commenced with Learning from Experience (1962) and pursued in Elements of Psychoanalysis (1963). In this third work published in 1965, the author examines the ways in which the analyst's description of the original analytic experience, mediated by theory, necessarily transforms it in the course of effecting an interpretation.

In his fifth book Thomas Ogden, widely regarded as the most profound and original psychoanalytic writer of this decade, explores the frontier of contemporary psychoanalytic thinking: the experience of the analyst and patient in the dynamic interplay of subjectivity and intersubjectivity. A Jason Aronson Book