If you were to ask someone back just a couple years ago that coloring books for adults would occupy two of the top 50 best selling books on Amazon, you would probably get laughed at. It’s astonishing ...

Since she got in on the adult coloring book craze two years ago, Cheri Brown has spent more than $400 on 50 books holding intricate sketches that she embellishes with Sharpies, colored pencils and gel ...

First there was Microsoft Paint, the lone digital option for the coloring-obsessed. Then came a flood of beautiful drawing and coloring apps that required too much skill for the average person (me).

Coloring books for big kids are the hot new thing right now, but carrying around a large book and pack of colored pencils isn't necessarily the most inconspicuous thing in the world. Never fear: adult ...