The issues encompassed by this book are fundamental to the investigation of all facets of developmental psychopathology. Achenbach provides a comprehensive presentation of alternative assessment and taxonomic procedures, their underlying rationale, and current findings. His book is unique in presenting these approaches in an evenly balanced, thorough, incisive fashion, and engaging style. The monograph addresses critical issues for the field and serves as the basis for evaluating specific disorders, assessment techniques, and overall strategies of research. The author's remarkable contributions lend authority to the text.