"by Carolyn Keene" <br/><br/>
The message in the hollow oak 

 -  New York, Grosset & Dunlap [1972]  2002 
 - 177 
<br/><br/><label>ISBN: </label>0448095122 
<br/><br/><label>Dewey Class. No.: </label>F823  / 2419