Funk, Wilfred  <br/><br/>
30 days to a  more powerful vocabulary 

 - London :  Pocket Book,  1971. 
 - 244 
<br/><br/><label>ISBN: </label>978 1 476 74922 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English
<br/><br/><label>Dewey Class. No.: </label>428.1  / FUN