DIY "Floating Bookshelf" Add two tiny nails just under the brackets. Open the bottom book, and used the nail to hold the cover closed. This hides the bracket completely, making the bookshelf invisible.
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)