ADULT COLORING BOOKS MANDALAS This mandala coloring book black background full of wonderful stress relief patterns and mandalas is a very special edition by Pegasus Coloring Book. Every mandala is printed on a black paper for better colorful effects.Mandalas have the power to re-balance the energies of your body to live in a perfect harmony. The mandalas in our mandala coloring book will help you with relaxation . What should I expect in this mandala...