Mystery Behind the Wall

The Boxcar Children Mysteries - Book 17

Mystery Behind the Wall

By Gertrude Chandler Warner
Unabridged
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The Aldens have found a mystery under their very own roof! When the children found an old journal behind the closet wall in the guest room, they never dreamed it would lead them on a search for valuable coins. What happened to the girl who wrote the journal — and what is she trying to tell them?