ADULT COLORING SERIES Embark on a journey of self-discovery and creativity with this captivating series of adult coloring books. These books are thoughtfully designed to soothe your soul, sharpen your focus, and ignite your inner artist. This series has four coloring books. The Mandala Coloring Book helps you find peace and creativity. The Doodle Coloring Book encourages free creativity without constraints with playful designs. The Mindfulness Coloring Book brings inner calm through art. The Motivation Coloring Book inspires you with quotes and designs.