Download or read book At the Threshold written by S. Shirley Feldman and published by Harvard University Press. This book was released on 1990 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the findings of the Carnegie Foundation study on adolescence, an interdisciplinary synthesis of research into the biological, social, and psychological changes occurring during this key stage in the life span. Focuses on the contexts of adolescent life-- social and ethnic, family and school, leisure and work.