Vertex Closed BookcaseVertex's converging angles make a dynamic play of oak's beautiful cathedral grain. An integral element to the bookcase's animated design, the wood grain reverses direction on the three fixed shelves and cabinet doors with bold, integrated pulls. Outfitted with an adjustable interior shelf, the cabinet provides storage for books, board games or office supplies. The Vertex bookcase is a Crate and Barrel exclusive. Solid oak, oak veneer, hardwood and