This Deco-style IKEA hack uses BILLYs for built-in shelving | Livingetc
DIY Built-In Bookcase IKEA Hack — We The Dreamers
Amazon.com: IOTXY Wooden Open Shelf Bookcase - 61 Inches Height Freestanding Display Storage Cabinet Organizer with 8 Cubes and a Drawer, Floor Standing Bookshelf in Tiffany-Green : Home & Kitchen