Blyton, Enid <br/><br/>
Secret seven on the trail / 
Enid Blyton 
 - India :  Hodder Children's Books ,  1952 
 - 138 p .:  18 cm . 
<br/><br/><label>ISBN: </label>0340893109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adventure stories
<br/><br/><label>Dewey Class. No.: </label>823.912  / BLY 1952