"by Carolyn Keene" <br/><br/>
The invisible intruder 

 -  New York : Grosset & Dunlap, c1969.  1969 
 - 177 
<br/><br/><label>ISBN: </label>0448095467 
<br/><br/><label>Dewey Class. No.: </label>F823  / .3949