This piece was updated on Sept. 2, 2018. Crayons, of course. Scented markers. Colored pencils, pre-sharpened. And coloring books by the jillions. Why do people like coloring so much? For grownups, I ...

Though the craze for coloring books for grown-ups has recently drawn many adults back to a hobby that had been seen as something for kids, it turns out that adult coloring books are actually how the ...

As of this writing, five of the top 30 titles on Amazon’s best-seller list are adult coloring books. With over 2000 titles out there and rising, the phenomenon of adult coloring-within-the-lines just ...