Blyton, Enid <br/><br/>
Good Work, Secret Seven 

 - London   Kinght books  1979 
 - 95 
 - Adventure No.6 .
<br/><br/> With illustration 
<br/><br/><label>ISBN: </label>034042443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Literature<br/>Stories
<br/><br/><label>Dewey Class. No.: </label>823.01  / B629g