Book excerpt: This book addresses computer-supported collaborative learning (also known as CSCL) particularly within a tertiary education environment. It includes articles on theory and practice in this area including topics such as: how can groups with shared goals work collaboratively using the new technologies? What problems can be expected, and what are the benefits? In what ways does online group work differ from face-to-face group work? And what implications are there for both educators and students seeking to work in this area?