Adult Coloring Books, A coloring book for adults that provides hours and hours of stress relief, restful calm and fun creative expression. Inspired images, printed single sided, for you to color. Coloring is a creative, novel way for busy adults to relax and unwind from the hectic pace of modern life. Adults and mature teenagers can all enjoy this unique and special coloring book. At the end of the day, kick off your shoes, settle down and color.