Warner, Gertrude Chandler <br/><br/>
Schoolhouse mystery 

 - New York :   Scholastic,   1990 
 - 128 p.  
 - The boxcar children ;  #10 .
<br/><br/><label>ISBN: </label>0590426753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools--Juvenile fiction