Stillman & Birn's Beta Series sketchbooks feature a natural white, cold press paper. With distinctive tooth, Beta books are great for dry media like graphite, pastel, and coloured pencil. This extra-heavyweight paper can handle washes of ink or watercolour - try watercolour pencils too! Stillman & Birn's system of premium sketckbooks that gives artists the choice of paper weight, shade, and surface type best suited to their techniques. From concepts to finished work, all archival quality papers are both internal and surface sized for exceptional wet strength and colour.