Modular bookcase with frame in titanium (GFM11), graphite (GFM69), white (GFM71) or black (GFM73) embossed lacquered steel. Shelves in Canaletto walnut (NC) or burned oak (RB) or embossed white (GF71) or graphite (GF69) painted wood. The frame can be assembled right or left (as one wants).