WASHINGTON — The amateur artists can be found coloring in airport lounges, doctor’s office waiting rooms and while they watch TV shows at home. They are forming coloring meetup groups at libraries and ...

As a kid, you might have picked up a coloring book on a rainy day or when your parents needed you to occupy yourself quietly. As an adult, maybe you still enjoy coloring or doodling when you need to ...

A few years ago, Scottish illustrator Johanna Basford made her living creating complex black-and-white drawings for brands like Nike and Absolut Vodka. Her clients would joke about wanting to color ...