00580    a2200133   4500020001800000050002000018100002500038245022100063264003300284300002300317500005000340650002900390700002700419  a9781846817175  aN 8530 SID 2011  aSidaway, Ianeauthor  aThe practical encyclopedia of drawing :bpencils, pens and pastels. observing  and measuring. perspective. shading line drawing. sketching. texture. using negative spaces. composition /cIan Sidaway and Sarah Hoggett  aU.S.A.:bHermes House,c2011  a256p.:bill.(col.)  aIncludes bibliographical references and index  aMaterials and techniques  aSarah, Hoggetteauthor