BookTác giả : David Lewis (1984)
The artists show you how to develop your skill and ability in handling pencil technique. Ferdinand Petrie shows you how to handle pencils and produce a controlled variety of lines, values, and textures. Then he shows you exactly how to use these techniques to draw landscapes in a range of styles and compositions. Rudy De Reyna explains pencil basics, and explores perspective, size relationships, form, and structure. Douglas grave teaches you how to begin drawing portraits by building a drawing step-by-step 
