umbra modern silver steel conceal shelf set of 3Conceal shelves come in a set of 3 powder coated silver floating bookshelves that become invisible behind a stack of books, transforming the books into a work of art. The shelves have flexibility in the mounting formation and can be displayed as a group or separately, linear in orientation or staggered. Conceal has a small lip to hold the book cover from falling and give off the illusion of a floating shelf. The set is space saving and can fit into