An icon in the shape of a lightning bolt. Impact Link These days, it seems you can't make it past the lobby of a Barnes & Noble without seeing an adult coloring book. The genre currently holds five of ...

Elon Musk admirers now have a new way to celebrate their fandom: with a Musk-themed adult coloring book. Colorado-based artist Salina Gomez, who goes by the name Ill Ink, launched a Kickstarter for a ...

When Penguin Random House announced recently that it had acquired world rights to the next two adult coloring books from Johanna Basford, the so-called queen of coloring, it was just the latest sign ...

Opinions expressed by Entrepreneur contributors are their own. Adele’s chart-topping tunes weren’t the only form of therapy adults welcomed into their homes last holiday season. With millions of ...