Amazon.com: Artist's Sketchbook Hardcover – 200GSM Very Thick Paper – Large, Spiral Sketch Book for Drawing and Mixed Media – Sketch Pad, Art Book - 11.4 x16.5, 40 Sheets / 80 Pages : Arts, Crafts & Sewing
Amazon.com: Moleskine Art Sketchbook, Hard Cover, Large (5" x 8.25") Plain/Blank, Black, 104 Pages : Moleskine: Arts, Crafts & Sewing
Art Alternatives Very Big Sketchbook, 75lb 600 Pages | Jerry's Artarama