Advanced Adult Coloring Book Set -- 2 Pack Expert Color By Stickers Books for Adults for Relaxation Meditation. Immerse yourself in expert level coloring designs. Relax and enjoy the meditative nature of taking a coloring break to enjoy the present moment. Find the hidden masterpieces in these books by stickering the numbered blocks on each page. Use the easy-to-follow full-color number keys, or choose your own colors to make a unique, one-of-a-kind piece of art. Uncover patterns, animals & many more illustrations. Once you finish an image, keep it in this book or easily remove it for framing. Color by numbers books for adults make great gifts for men and women alike.