Nicoll, Helen. <br/><br/>
Meg and Mog / 
by Helen Nicoll and Jan Pieńkowski. 
 -  Puffin Books,  1975. 
 - 30 p. :  chiefly col. ill. ;  21 cm+  CD 
<br/><br/><label>ISBN: </label>1-84440-274-6 0-140-50117-7