ArtistÆs Black Books û Multi-Media Sketch Perfect for travel, special studies, workshops or classes, or as note book and sketch diary, this book is yours to personalize. Its flexible paper cover makes it easy to slip in a bag or pocket and it is capable of handling just about any media you choose to use û pencil, charcoal, pen and ink, pastel, markers, light washes and multi-media techniques. Each staple-bound book contains 24-sheets (48-pages) and can be opened flat or folded over when working. The acid- and chlorine-free bright white 130gsm (90 lb.) sized paper is sourced from sustainably managed forests.