Blyton, Enid. <br/><br/>
The secret seven mystery / 
Enid Blyton. 
 - London :  Hodder Children's Books,  1992. 
 - 122 p. :  ill. ؛  22 cm. 
 - Blyton, Enid.  Secret seven. .
<br/><br/><label>ISBN: </label>0340796448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secret Seven (Fictitious characters)--Juvenile fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.B629  / my 1992