Over 40 selections of enduring intellectual value--book excerpts, classic articles, and research studies--that have shaped the study of human development and our contemporary understanding of it. Sources provides the opportunity for readers to encounter many of the greatest thinkers in human development at first hand. The book includes carefully edited selections from the works of the most distinguished observers of human development, past and present. Students of human development will appreciate the broad range of coverage, the logic of the organization, and the accessibility of the material within this volume. Students can use the student Web site (www.dushkin.com/online/) for access to additional support tools for Sources titles.