This volume of New Directions for Teaching and Learnig addresses the problem of teaching problem solving. Each of the contributors to this volume believes that problem-solving skills can be taught, and in fact all have taught such skills successfully. Each contributor also believes that the process should be taught on purpose. You will also find a number of concrete suggestions in this volume that you can begin to apply in your own classes tomorrow. the results may come closer than our current efforts do to what we thought higher education was supposed to be about. This is the 30th issue of New Directions for Teaching and Learning. For more information on the series, please see the Journals and Periodicals page.