"....chapters...are very well written, are informative, and fulfill the editor's intentions....the book is an ambitious, foundation-supported project....very worthwhile material."—Science Books & Films"...comprehensive in its scope, up-to-date in its coverage and readily accessible in its presentation and style....this book will be an especially helpful resource for those practitioners, program developers and policy makers who are seeking brief summaries of the scientific literature on early adolescence....even most experts will be able to find new information and useful bibliographic leads."—American Scientist