"Learning" is the word most used in educational literature and yet educators have great difficulty in defining it. Sarason demonstrates that the lack of clarity about the concept of learning is at the root of the disappointments of educational reform, the inadequacies of preparatory programs, and proclamations of policy This resource alerts readers to how glossing over what they mean by learning effectively stymies any educational reform. Educators’ stock-in-trade is learning. Only when they become aware of what learning encompasses and the contexts in which it occurs can we have a starting point for real education.