Abstract Challenge Grayscale Coloring Book for Adults Includes FREE Digital Version & Color Guide
40 abstract grayscale designs for advanced colorists or those who want a challenge
Pages are printed on one side, size 8x11 in. Feel free to use any or all your favorite coloring tools, such as colored pencils, gel pens, brush-tip markers, chalk, pastels and more.
Includes FREE Digital Version & Color Guide As a bonus, you...