Sherwin, David. <br/><br/>
Creative workshop :  80 challenges to sharpen your design skills / 
David Sherwin. 
 - Cincinnati, Ohio :  HOW Books,  c2010. 
 - 231 p. :  ill. (col.) ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781600617973 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creative ability--Problems, exercises, etc.