A new study of a problem phase concentrates on the emotional and social life of the adolescent, interprets the drives- and deviations of what is essentially a confused time, brings to bear some psychiatric insights. The adolescent is seen as chiefly preoccupied with self, with social position with others of the age group, with the potential vocational role, and with sexual feelings. There is a gap between biological and social maturity; there is the break with home; the tendency to be a member of a ""peer group""; the quest for identity. A second section is concerned with mental health problems (adolescence usually only exacerbates existing situations), with delinquency (primarily ""a problem in individual psychology""), and with various patterns of disturbance which therapy can resolve. Within its special area, an intelligent interpretation based on considerable experience, but there have been more general books with more specific pointers for the parent who has trouble handling her teen-ager, sons in particular.