Intended for use by media specialists at all levels, this volume joins two preceding editions in reviewing the current status of educational media, instructional technology, librarianship, information science, and telecommunication. First is a collection of essays which address the following topics: 1) perspectives on educational media; 2) major organizations in the field; 3) new developments; 4) media personnel; 5) research and development; 6) sales and business; and 7) international developments. The remainder of the text consists of extensive directories to organizations, granting agencies, information clearinghouses, doctoral programs, and publications that relate to educational media. (EMH)