Mystery Behind the Wall by Gertrude Chandler Warner, Liz Brizzi, David Cunningham 1973 · 127 pages · BoxcarChildren · Juvenile fiction · Orphans Loading... Cancel OK + New list... Cancel OK Get This Book Amazon Barnes & Noble Books-A-Million Bookshop.org Target Walmart Apple Books Audible Libro.fm Google Play Books ThriftBooks AbeBooks World of Books Borrow It Free Open Library Find at Library About this book A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection. Save for Later My Saved Books https://booklink.fyi/b/mystery-behind-the-wall-gertrude-chandler Share