Sidaway, Ian. <br/><br/>
Mastering the art of drawing  pencils, pens and pastels. observing and measuring. perspective. shading line drawing. sketching. texture. using negative spaces. composition /  [Book] : 
Ian Sidaway and Sarah Hoggett. 
 - London :  Hermes House,  c2005. 
 - 256 p. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9781844778799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drawing art.
<br/><br/><label>Dewey Class. No.: </label>741.2