Old Piano Into Bookshelf.Creative Ways To Reuse Your Old Stuff. It’s Totally Brilliant ---- When it could no longer function for music, I had my grandmother's beautiful, upright piano turned into a book case. It is a treasure!
DIY Cardboard furniture That doesn't look like it's made from cardboard! We've had some great posts on cardboard furniture you can buy that doesn't LOOK like cardboard, but most DIY options resemble the brown recyclable stuff.
Levitate Architects used a staircase to a loft-like bedroom to create an enormous amount of book storage space. Even though the staircase isn’t very compact but could accomodate so many books that it would save some space anyway.
30 Incredible Bookshelves You'll Want in Your Home