Companion to Psychological Astrology. An intensive psychological study of the aspects made by planets in the natal horoscope. Discusses how aspects are formed,

How do we come to be who we are? Why do we differ in our personalities? How do these differences matter in life? Individual Differences and Personality aims to

The General Factor of Personality improves our understanding of the personality structure and the relations between major personality dimensions, as well as maj

This is the original work on which Hans Eysenck's fifty years of research have been built. It introduced many new ideas about the nature and measurement of pers