Abstract Designs Coloring Book: A Coloring Book for Young to Adult Skill Levels. Illustrated by Kenneth P. Cobb. 58 pages, 28 single-sided illustrations. 8.5 x 11 inches. Abstract Designs Coloring Book is a coloring book for all ages. Challenge your color harmony skills with a variety of pattern and shape based arrangements. | Abstract Designs Coloring Book by Kenneth P Cobb, Paperback | Indigo Chapters