Coloring books are no longer just for the kids. In fact, adult coloring books are all the rage right now. And while researchers and art therapists alike have touted the calming benefits for over a ...

Other students spent considerably more time on their initial outlines. Deborah Pepin, who contributed a picture of birds roosting atop a cat’s head, said she took about four to five hours to ...

According to Nielsen Bookscan 1 million adult coloring books were sold in the U.S. in 2014. By the end of 2015 that number had grown to 12 million. That's an increase of 1100% boys and girls. I ...

Though adult coloring book sales were up overall in the U.S. in 2016—14 million books sold compared to 10 million in 2015—that increase mainly came earlier in the year.