How is something as broad and complex as a personality organized? What makes up a satisfactory theory of personality? In this ambitious book, Jaan Valsiner argues for a theoretical integration of two long-standing approaches: the individualistic tradition of personalistic psychology, typified by the work of William Stern and Gordon Allport, and the semiotic tradition of cultural-historical psychology, typified by the work of L. S. Vygotsky.

The two are brought together in Valsiner's theory, which highlights the sign-constructing and sign-using nature of all distinctively human psychological processes.