Part One. The Basics of Drawing --Discusses and illustrates the materials, the tools, and the fundamental principles of form, proportions, tonal ranges, and more. Part Two. Line and Shading in Drawing --Controlling the width and intensity of lines in your drawings, and developing techniques that suggest dimension and surface textures. Part Three. Light and Shadow in Drawing --The ways in which light falls on the artist's subject, and various methods for rendering light and shade to produce dramatic effects. Part Four. Perspective Drawing --Understanding geometric principles that give drawings coherence, and seeing subjects from fresh points of view to create surprising results.