Blyton, Enid <br/><br/>
Secret seven mystery 

 - Senenoakes  Hodder and Stoughton  1957 
 - 102 
 - Knight Books .
<br/><br/> A girl has mysteriously run away from home, and her parents are frantic with worry. Can the Secret Seven follow the clues and catch up with the girl - or will Susie, Jacks troublesome little sister, get in the way? -- back cover 
<br/><br/><label>ISBN: </label>9780340569887 
<br/><br/><label>Dewey Class. No.: </label>823  / BLY-S