Successful Sketching Planning Drawing Author:Valerie Wiffen Improve your drawing, skill by skill. Each easy-to-follow exercise teaches one area of expertise. “Presumes a certain level of skill and builds from there. Graphite and charcoal sketching are quickly superseded by the sophisticated color and movement available from oil pastel, aquarelle pencils, and watercolor wash....Recommended.”... more »8212;Library Journal.« less