Science & Technology /  Steve Parker.  

 - Essex :   Miles Kelly Publishing,  2004.   
 - 40p. : col. ill   
 -  Question & Answer Encyclopedia   .
<br/><br/> Includes index <br/> 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>CIR 500 P2282 2004