Warner, Gertrude Chandler,  1890-1979. <br/><br/>
Benny uncovers a mystery / 
Gertrude Chandler Warner ; illustrated by David Cunningham. 
 - New York :  Scholastic,  1991, c1976. 
 - 128 p. :  ill. ;  20 cm. 
 - The boxcar children ;  #19. .
 - Boxcar children mysteries ;  #19. .
 - Warner, Gertrude Chandler  1890-1979.  Boxcar children mysteries ;  #19. .
<br/><br/> Two brothers take summer jobs at a department store where a series of peculiar events brings them under suspicion. 
<br/><br/><label>ISBN: </label>0590426834 (pbk.) 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Department stores--Fiction.<br/>Mystery and detective stories.