George Alex  1970 <br/><br/>
Working it out / 
Alex George. 
 - London :  HarperCollins,  1999. 
 - 280 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0006513328 
<br/><br/><label>LC Class. No.: </label>PR6015 
<br/><br/><label>Dewey Class. No.: </label>823.914