TAN, Eunice <br/><br/>
Machines are important to us 

 - 36p.  col. ill.  25cm. 
 - Smart Science Series .
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>9838772410  $15.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Juvenile Literature
<br/><br/><label>Dewey Class. No.: </label>621.8