ACME Magna Bookshelf, Faux Concrete & Black, 42" x 16" x 77"H, 105Lbs. The Magna bookshelf combines faux concrete with a rich black finish to create a sleek contemporary style that is perfect for any home d-cor. Featuring eight spacious shelves for storage and display, this bookcase is an ideal fit for any room in your home. Materials: Wood, Composite Wood