This past summer, adult coloring books were 6 of the top 20 bestsellers on Amazon, which inarguably makes it an emerging trend. From Huffpost, clinical psychologist Ben Michaelis and Souris Hong, author of bestselling adult coloring book Outside the Lines, “There is a long history of people coloring for mental health reasons,” Michaelis says. “Carl Jung used to try to get his patients to color in mandalas at the turn of the last century, as a way of getting people to focus and to allow the subconscious to let go. Now we know it has a lot of other stress-busting qualities as well.” Continue reading