SMITH Alastair <br/><br/>
Energy, forces & motion / 
Alastair Smith and Corinne Henderson 
 - London :  Usborne Publishing Ltd,  2006 
 - 64 p. :  col. ill. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780746078471 (hbk) :  14.80 BND