Farndon, John <br/><br/>
How things work 
/ John Farndon 
 - 40 pages :  color illustrations 
 - Grolier science library .
<br/><br/> Includes index. 
<br/><br/>Machine power Construction Bridging the gap On the rails On the road On the water In the air Space walk Electronic brains Instant contact Super vision Lasers and x-rays Sound and vision Mass media 
<br/><br/><label>ISBN: </label>1842362887 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>600