Bookcases composed of boxes of different sizes, made of transparent extra-light 10 mm tempered glass, glued at 45°, overlapped in a staggered and irregular way. Available with backrest in extra-light, smoked, bronze or in the finishes of “coloured transparent crystals”, “opaque coloured diffuser crystals”, “glossy coloured diffuser crystals”. The boxes rest on an open-pore black lacquered oak base and are fixed to each other by means of minimal chromed metal joints.