Brian M. Carroll & Jason M Olson 
Learning Unbound [PDF ebook] 
Select Research and Analyses of Distance Education and Online Learning

While distance education can use a variety of technologies, it has grown most rapidly online with the use of the Internet. Online distance education is currently being offered in various ways to students living on campus, away from campus, and across state lines. School offerings in online learning range from individual classes to complete degree programs. This book provides select research and analyses on distance education and online learning.