Download or read book Geometric Whirlwind Coloring Book written by Wil Stegenga and published by Courier Corporation. This book was released on 2010-11-01 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: These 30 wild designs spin outward from a center point to create geometric patterns reminiscent of twisters, tornadoes, black holes, and other spiral storms. Unique and complex designs will appeal to colorists looking for a challenge.