Keene, Carolyn <br/><br/>
The hidden window mystery 
Carolyn Keene 
 - New York  Grosset & Dunlap  1975 
 - 179 p 
<br/><br/><label>ISBN: </label>9780448095349 
<br/><br/><label>Dewey Class. No.: </label>823.0872 KEE