Blyton, Enid. <br/><br/>
Well done, secret seven. 

 - London   Hodder  1951 
<br/><br/><label>ISBN: </label>SECRET SEVEN SERIES BOOK 15 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FICTION
<br/><br/><label>Dewey Class. No.: </label>JF BLY