Warner, Gertrude Chandler,  1890-1979. <br/><br/>
Mystery behind the wall 
Gertrude Chandler Warner ; illustrated by David Cunningham. 
 - New York :  Scholastic,  1993. 
 - 127 p. :  ill. ;  20 cm. 
 - Boxcar Children Mysteries ;  [#17] .
<br/><br/> Paperback. 
<br/><br/> The Boxcar Children now living with their grandfatherdiscove an old journal behind a wall in the guest room that leads them to a valuable coin collection. 
<br/><br/> 480  Lexile. 
<br/><br/><label>ISBN: </label>059042677X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.