"One has to be thankful and tremendously grateful for the time, energy, and thought that went into this longitudinal study ... for completing this enormous task, as well as for doing it so well." - David Elkind, in PsycCRITIQUES"This book will be of great interest to many scholars, educators and research scientists. … The editors provide a very general and accessible ‘map’ for the reader. … [It’s] an important resource about longitudinal studies. … The contributors are … top-notch." - Melanie Killen, University of Maryland