Like the idea of taking book-case like this and making it floating (wall-mounted). Adds structural rigidity to overall frame, and is low cost for mounting and actual shelf cost. Main concern would be finding with adaquetely thickness of shelves to facilitate hanging.
All-in-One Small Space Divide and conquer. Plot the room into zones, creating boundaries with furniture and area rugs. Here, a love seat separates the bar and kitchen from the sitting area. To keep a small and open space from feeling dwarfed, avoid tall pieces of furniture so that the sight line extends across the space. Tall pieces, such as bookcases, can be tucked into corners.