Warner, Gertrude Chandler. <br/><br/>
Schoolhouse mystery / 
[by] Gertrude Chandler Warner ; ill. [by] David Cunningham. 
 - Chicago :  A. Whitman,  1965. 
 - 128 p. :  ill. ;  22 cm. 
 - The Boxcar children mysteries .
<br/><br/> When Benny sees a suspicious man snooping in the village library, the Boxcar children set out to discover his secret. 
<br/><br/> 7-12.  3.  2-7. 
<br/><br/><label>ISBN: </label>0807572632 
<br/><br/><label>LCCN: </label>65023889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery fiction.
<br/><br/><label>Dewey Class. No.: </label>Fic