"Judith Nicholls","Klaas Verplancke (Illustrator)" <br/><br/>
Knock! Knock! 

 -  Ladybird Books Ltd  2000 
 - 28 
<br/><br/><label>ISBN: </label>9780721419442 
<br/><br/><label>Dewey Class. No.: </label>F823  / 2062