WordStar 6.0 made easy 
Ettlin, Walter A. 
 -  Osborne McGraw-Hill.  1990 
 - 415 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71370038-4 
<br/><br/><label>Dewey Class. No.: </label>001.642 M96w 1990