Making the most from your limited space is what we are all about at 62252.info. So this collection of expandable furniture from the team at Dornob is worth checking out.
The book shelf above can easily be adjusted depending on the amount of books you have at that time. So if you have just a few books, you just push it together to reduce its space requirements.
Check out the other expandable furniture here: http://dornob.com/expandable-furniture-pulls-out-all-the-stops-for-your-space/