This work is the fruit of research that has extended over about 15 years, and is designed to serve as a tool for reading Freud's work. This aim has been achieved remarkably well. It is devoted exclusively to the analysis of Freudian terms for they are the source of the subsequent theorizations: for this reason, it is not an umpteenth dictionary of psychoanalysis, for, even if certain post-Freudian concepts are touched upon in the discussion of the terms, it centres on the Freudian concepts explored in the corpus itself. It is perhaps closer to a thematic encyclopaedia than a dictionary, but it nonetheless has alphabetical headwords and multiple references allowing the reader to navigate without difficulty from one entry to another. One is inevitably