Ardley, Neil <br/><br/>
How things work / 
neil ardley ; photography by Andy Crawford. 
 - London :  D. Kindersley,  c1995. 
 - 192 p. : col. ill. 
 - Eyewitness science guides .
<br/><br/> Includes glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Juvenile literature<br/>Technological innovations--Juvenile literature