The 29th volume of the Educational Media and Technology Yearbook describes current developments and trends in the field of instructional technology. Prominent themes for this volume include e-learning, collaboration, and communities of practice. This volume will be useful fo media and technology professionals in schools, higher education, and business contexts, including instructional technology faculty, school library media specialists, curriculum leaders, business training professionals, and instructional designers. It has become a standard reference in many libraries and professional collections. Part One, "Trends and Issues," highlights the major trends of the year: online learning, accessibility issues and communities of learning. Part Two, "School and Library Media," concentrates upon chapters of special relevance to K-12 education, school learning resources, and school library media centers. In Part Three, "Leadership Profiles," authors provide biographical sketches of the careers of instructional technology leaders. Part Four, "Organizations and Associations in North America," and Part Five, "Graduate Programs in North America," are, respectively, directories of instructional technology-related organizations and institutions of higher learning offering degrees in related fields. Finally, Part Six, the "Mediagraphy," presents an annotated listing of selected current publications related to the field.