Crescent Cardboard Co-Crescent Artist Trading Cards: Chunky Book In Gray. Chunky books are the newest trend in mixed media art! Paint or draw with markers color pencils or embellish your chunky book pages with fibers trims charms or whatever inspires you! Top- quality art surfaces great for layering and embellishing. This package contains four 4x4 inch double-sided gray artist chunky book cards. Made in USA.