Ok, so this isn't new-new. Some of the stories I read reach back into the beginning of 2015. I just went into Books a Million the other day, though, and the first thing right by the door (just as this author describes in the article below) was an area designated Adult Coloring Books.
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Did you all color a lot when you were younger? Do you think you might now that you're older? Is coloring therapeutic to you?