Salvatori, Mariolina Rizzi, <br/><br/>
The elements (and pleasures) of difficulty : 

 -  Pearson Longman,  2005. 
 - 182 pages 
<br/><br/><label>ISBN: </label>9780321106179 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Academic writing.
<br/><br/><label>Dewey Class. No.: </label>808  / SAL