That's a neat idea. I would probably need a lot of these because I own a lot of books. Great DIY idea for bookshelves.
Office space as an extension of a wall shelving unit vs. my feng shui fears of having my back exposed? Office space as an extension of a wall shelving unit…
Diy Crafts Ideas : Turn a Cable Spool into a Bookshelf…awesome upcycle idea!
Creative Indoor Vertical Wall Gardens – Decorating Your Small Space