Young, Ella. <br/><br/>
Help your child with science / 
Ella and Beverley Young with Chris James. 
 - Cambridge :  Cambridge University Press,  1991. 
 - 100 p. :  ill. 
<br/><br/><label>ISBN: </label>0521313082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Science--Study and teaching.