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

 - Pocket Books, New York  1970 
 - ix,244 
<br/><br/><label>ISBN: </label>978-1-476-74922-8 
<br/><br/><label>Dewey Class. No.: </label>428 Fun/Lew