This comprehensive text encourages students to consider the phenomenon of adult development and aging from a behavioral point of view. Schaie and Willis introduce current theory and research on the major psychological issues and provide background on the social and biological aspects of development that are essential to students' understanding of behavioral age changes.

Over 220,000 entries representing some 56,000 Library of Congress subject headings. Covers all disciplines of science and technology, e.g., engineering, agriculture, and domestic arts. Also contains at least 5000 titles published before 1876. Has many applications in libraries, information centers, and other organizations concerned with scientific and technological literature. Subject index contains main listing of entries. Each entry gives cataloging as prepared by the Library of Congress. Author/title indexes.