Blyton, Enid <br/><br/>
The Rocking down Mystery / 

 - London:  HarperCollins,  1967 
 - 114p.;  17 cm. 
<br/><br/><label>ISBN: </label>9780006915690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Literature
<br/><br/><label>Dewey Class. No.: </label>823  / BLY