Book excerpt: Calling all artists Whatever your favorite medium--from charcoal and pencil to light washes with ink and watercolors--this popular sketchbook will work perfectly for you. It features medium-weight, acid-free paper with an attractive vellum finish, as well as perforated pages that make it easy to tear our any "masterpieces" you want to frame or give as a gift. This medium-size sketchbook has a spiral binding and a classic black cover.