How things work encyclopedia. 

 - London :  Dorling Kindersley,  2010. 
 - 127 pages:   color illustrations  28 cm. 
<br/><br/> Includes glossary 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-1-40535-012-9 
<br/><br/><label>LC Class. No.: </label>603 H83 c2010