Hahnemühle : Nostalgie SketchbookThread stitching makes for a solid binding and good flatness of the sheets. This also makes sure that double sided sketches and drawings across the fold too can be created without any problems. With an anthracite coloured cover featuring a linen structure, the book is hard wearing and nice to the touch. Every book features 40 sheets 80 pages. The heavy, natural white paper feels both solid and flexible. The fine grain of the paper makes the pen slide