Porter, Alison <br/><br/>
How things work 

 - Hong kong  Time warner books  1997 
 - 64p.  31cm 
<br/><br/><label>ISBN: </label>0783591241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>APPLIED PHYSICS
<br/><br/><label>Dewey Class. No.: </label>621  / HOW