The topic of distance teaching and online learning associated technologies and applications covers a galaxy of ideas, concepts, issues, concerns, and opportunities. Everything from workforce training, to accessing education, to digital divide issues, and the evolution of distance and online education into a multibillion-dollar enterprise, is included in the global conversation. Certifications, degrees, workforce training, and lifelong learning are all a part of public and private educational institutions. Partnerships with for-profit businesses, the rise of virtual universities within traditional educational systems, competition with for-profit institutions, and issues of quality are part of the regular workday at national and international educational institutions. The Encyclopedia of Distance Learning Technologies and Applications, edited by Patricia Roger, provides a comprehensive coverage of the evolution of distance learning, educational programs through distance learning, technologies of distance learning, program design and implementation, program delivery methods, distance learning and work force, and assessing effectiveness of distance learning programs. The Encyclopedia of Distance Learning Technologies and Applications is an excellent resource for comprehensive knowledge and practices in distance learning programs.