During the time of scripting this article (August 2015), 1 / 4 of Amazon’s top twenty best-selling books are coloring in gossip columns. So what exactly is a adult coloring book, and just how one thing they are currently outselling
During the time of scripting this article (August 2015), 1 / 4 of Amazon’s top twenty best-selling books are coloring in gossip columns. So what exactly is a adult coloring book, and just how one thing they are currently outselling