Sofas with Shelving

We've been seeing this look everywhere lately; sofas with wraparound or built-in shelving are hot right now. Besides combining two functions in one space, the great thing about this idea is its DIY potential. All you need are a couple of low bookshelves and a large enough space to recreate this arrangement at home...

For DIY inspiration and product information, click through the links below:
1 Image from Ideal Home
2 Ludus Modular Sofa by Patricia Hopfer
3 Axis Storage Unit from CB2
4 Flexform Oltre Sofa
5 Sofá Rodaika from Duval Group