Murray, W. <br/><br/>
Adventure at the castle 

 - Loughborough [England]  Ladybird Books Ltd.  1967 
 - 50 
 - The Ladybird key words reading scheme .
<br/><br/> In book 10b, Peter and Jane discover secrets at a castle in 54 new words. Book 10c follows 
<br/><br/><label>ISBN: </label>9780721400228 
<br/><br/><label>Dewey Class. No.: </label>823  / MUR-A