Arteza 21.6 x 27.9 cm Hardback Sketchbook, 220 Pages, 110gsm, with Bookmark Ribbon, Expandable Inner Pocket, and Elastic Strap, for a Variety of Dry Media : Amazon.co.uk: Stationery & Office Supplies
Strathmore 400 Toned 118gsm Paper Hardbound Sketchbook, Fine Grain, 8.5 x 11 in, 64 Sheets, Ideal for Professionals & Students : Amazon.co.uk: Stationery & Office Supplies