Peacock, Graham. <br/><br/>
Light / 
Graham Peacock. 
 - Hove :  Wayland,  1993. 
 - 32p :  41col.ill. ;  27 cm. 
 - Science activities series .
 - Science activities. $# UK-BfC .
<br/><br/><label>ISBN: </label>0750206977 9780750206976