A 4-tier stepped bookshelf that climbs from 15 in to 64 in across a 60-in span, so it screens off a work corner or reading nook without blocking light the way a solid divider would. Six open cubes alternate in width, with 29-in bays for hardcover runs and record crates and 14.5-in cubes for paperbacks, plants, and photo boxes. A widened base spreads the load, letting the frame carry up to 400 lbs in total. Both faces stay reachable at only 11 in deep, non-slip pads grip the floor, and two anti-tipping kits anchor the tall end.