IF IT is true that "wars begin in the minds of men," it is extremely important that we understand the dynamics of personality-why people behave as they do. Personality is still a vast domain in which much research is needed. During the three-year period covered by this issue, however, a number of significant books on personality have been written. Murphy's Personality, a Biosocial Approach to Origins and Structure (61) explores personality thru present research, not only in psychology but also in sociology, anthropology, and biology, and points the way to more significant research. Young likewise has a broad base for his study of Personality and Problems of Adjustment (98). Stagner has completely rewritten his Psychology of Personality (84), covering recent work in projective testing and supporting a point of view that emphasizes perception and the interior organization of experience. An important new anthology, Personality in Nature, Society and Culture (53), consisting of papers by thirty-seven authorities in the field, presents an orderly statement of our present knowledge of personality formation. The strictly experimental quantitative approach was taken by Eysenck in his Dimensions of Personality (32). Largely from researches carried on with 10,000 normal and neurotic subjects at a wartime mental hospital, Eysenck and his associates succeeded in factoring out and describing two main dimensions of personality, named, with reservations, "neuroticism" and "extraversion-introversion." Similar in its quantitative experimental emphasis is Cattell's Description and Measurement of Personality (18), in which he discussed the findings of published and unpublished studies and showed how clinical observation, rating of behavior, self-inventories, and objective tests have contributed to our understanding of the "factors, syndromes, and traits" of personality. Its emphasis is on methods of research. Entirely concerned with methodology is Rapaport, Gill, and Schafer's second volume on Diagnostic Psychological Testing (70).Much of the research that would naturally be included in this chapter has been recently reviewed by Anderson and Embree in the REVIEW for