I have been putting off making books with heavier sketch paper for a long time, and I can't even remember why. These wide-opening books are full of a lovely drawing paper that my testers loved. The tooth is what I would call medium, in that you can use pen, pencil, or even fountain pen with comfort. The only show-through anyone reported was with a Sharpie, but it didn't bleed through onto other sheets.
Size: 6 X 4 inches
Binding: Ethiopian (AKA, “multi needle Coptic")
Cover Materials: Decorative map paper
Misc: Bound with 6 needles at once, with three colors of waxed cotton thread
Paper Stock: 80lb sulphite drawing paper
Page Count: 128
Page Format: Blank