num_pages: 128
description: FOR USE IN SCHOOLS AND LIBRARIES ONLY. A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.
language: English
title: The Mystery Behind The Wall
titlecomplete: The Mystery Behind The Wall (Turtleback School & Library Binding Edition)
characters: Henry Alden, Violet Alden, Benny Alden, Jessie Alden
genres: Middle Grade, Audiobook, Young Adult, Childrens, Classics, Chapter Books, Mystery Thriller, Fiction, Juvenile, Mystery
ratings_count: 2622
places: The United States of America
series: The Boxcar Children
publisher: Turtleback Books