Sidaway, Ian <br/><br/>
The practical encyclopedia of drawing :  pencils, pens and pastels. observing  and measuring. perspective. shading line drawing. sketching. texture. using negative spaces. composition / 
Ian Sidaway and Sarah Hoggett 
 - 256p.:  ill.(col.) 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781846817175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materials and techniques
<br/><br/><label>LC Class. No.: </label>N 8530 SID 2011