Blyton, Enid <br/><br/>
Shock for the Secret Seven / 
Enid Blyton ; illustrated by Derek Lucas 
 - Bath :  Swift Children's Books ,  ©1973,  1987. 
 - 96 pages :  illustrations ;  20 cm 
 - Secret Seven  13 .
<br/><br/><label>ISBN: </label>0859976831 (hardback) 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Youth Fiction<br/>Adventure Stories<br/> Suspence Fiction<br/>Detective and mystery fiction
<br/><br/><label>Dewey Class. No.: </label>ETF BLYT