Amazon has The Boxcar Children Bookshelf for $11.56 (Reg $59.99). You can get free shipping on orders over $25 or with Prime.
A deluxe Boxcar bookcase that contains 12 titles—The Boxcar Children Mysteries #1 through #12. Also included are Boxcar activities, poster, and accordion bookmark with title checklist. The bookcase can expand to hold up to 32 books.