Stillman & Birn’s mixed media toned papers are available in a single sketchbook with the Nova Series Nova Trio Sketchbooks! The 51-paged book is spiral bound and offers 150 gsm heavyweight sheets in black, grey, and beige shades - 17 sheets of each color. The Nova Series provides a medium grain surface that is suited for works of art using dry media, light washes, and ink. Experiment with three Nova shades of toned pages that are double-sized for enhanced wet strength while yielding high contrast and glowing color.