This book is derived from conferences and discussions held at the C.E.R.P. (Center of Education and Research) in Paris. Each contribution represents a theoretical point of view illustrated by clinical experience with therapeutic intent. Together they convey a lively impression of the analyst at work. They evoke the image of the analyst's office as a laboratory of experiences that constantly stimulate thinking and raise questions. Each of the authors expresses the fascination and excitement that come from tackling the seemingly impossible task of understanding someone else through understanding