Too much cannot be written on the subject of anti-Semitism. What in the nineteenth century was a blot on nations became in the middle of the twentieth century an international scourge. To the scientific and hypothetical objective observer the reasons advanced for hating the Jews must seem fantastic, contradictory, and incomprehensible, a challenge to human credulity. It is not surprising, therefore, that an ever-growing number of psycho-analysts have directed their very special investigative techniques towards this perplexing psychological problem. Of the various books which have appeared on the subject, the present volume is unquestionably the best.

What distinguishes this book is the precise formulation of the dynamics of anti-Semitism as a phenomenon of individual and group psychology. With