Hold on Tight bookshelf. A brightly-coloured aluminum cube and oversized wing nut serve as a sliding bookend which can be adjusted and secured wherever it is needed, whether your book collection is growing or shrinking.
Create a unique and attractive wall display plus store your book collection with the Conceal Invisible Book Shelf. Your books will appear to be floating in mid air because this bookshelf is invisible behind a stack of books. (cool gadgets for your room)