BALLARD, Carol <br/><br/>
Grouping materials  from gold to wool 

 - 1st ed. 
 - 32p.  col. ill.  24cm. 
 - Science Answers .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0431174903  $49.50 
<br/><br/><label>Dewey Class. No.: </label>530