This work is intended as an introduction to the study of Soviet psy chology. In it we have tried to present the main lines of Soviet psycho logical theory, in particular, the philosophical principles on which that theory is founded. There are surprisingly few books in English on Soviet psychology, or, indeed, in any Western European language. The works that exist usually take the form of symposia or are collections of articles translated from Soviet periodicals. The most important of these are Psychology in the Soviet Union (ed. by Brian Simon), Recent Soviet Psychology (ed. by Neil O'Connor)...