Young, Caroline <br/><br/>
Machines that Work 

 - United States of America  Barbour and Company, Inc.  1993 
<br/><br/> n/a 
<br/><br/><label>ISBN: </label>0-7460-0990-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Juvenile Nonfiction
<br/><br/><label>Dewey Class. No.: </label>JN 629.225 YOU