Warner, Gertrude Chandler <br/><br/>
Mystery behind the wall 

 - New York :   Scholastic,   1990 
 - 127 p.  
 - The boxcar children ;  # 17 .
<br/><br/><label>ISBN: </label>059042677x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orphans--Juvenile fiction<br/>Detective and mystery stories