Why and how do we revise? We may revise in anticipation of a response - willthe audience be convinced, offended, im- pressed, or flattered? Revision is more than simply changing texts. It encompasses the larger process of rethinking and reevaluating knowledge continously. By addressing issues of what constitutes knowledge, where it is located, and how one acquiresit, this book makes a significant contribution to- ward a reconciliation between the current predominant views of revision.