The purpose of this yearbook is to highlight multiple perspectives about educational technology and media development and to provide information about the purposes, activities, programs of study, and accomplishments of organizations and associations dedicated to the advancement of educational communications and technology. The 1999 edition is divided into seven sections. Part 1 focuses on trends and issues and includes articles on integrating technology into the K-12 educational setting, trends in distance learning, Virginia Tech's instructional development initiative, and balancing gender, technology, and instructional design. Part 2 covers the development and state of the profession. Current developments are addressed in part 3, including articles on World Wide Web-based resources for K-12 instructional planning, a taxonomy of bandwidth, frequently asked questions about educational technology, educational MOO (Multi-user domain, Object-Oriented), concept mapping, instructional development models, and motivation in instructional design. Part 4 presents a leadership profile of Thomas F. Gilbert. Information on professional organizations and associations in the United States and Canada is provided in part 5, and part 6 describes U.S. graduate programs in instructional technology, educational media and communications, school library media, and closely allied programs. Part 7 is a mediagraphy of more than 500 print and nonprint resources published in 1997 or 1998. (AEF)