Some stubborn folks still see coloring as only a kid’s activity. They’re so wrong! In recent years, some of the best coloring books for adults have truly hit the mainstream, selling millions. Many grown-ups now color as a relaxing hobby to help melt away stress and also improve focus. I know – ’cause I’m an … Continue reading 18 Best Coloring Books for Adults to Melt Your Stress Away! (Different Themes)