Warner, Gertrude Chandler,  1890-1979., <br/><br/>
Schoolhouse mystery /Gertrude Chandler Warner ; illustrations, David Cunningham. 

 - New York :  Scholastic Incorporated,  (c)1990. 
 - 128 pages :  illustrations ;  20 cm. 
 - The Boxcar children mysteries .
<br/><br/> Reprint. Originally published: Chicago : A. Whitman, c1965. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Detective and mystery stories.
<br/><br/><label>LC Class. No.: </label>PZ7  / .S366 1990 PZ7