Add Yahoo as a preferred source to see more of our stories on Google. Think coloring is for kindergarteners? Think again! Well, it totally is, but it's also for grown-ups in need of stress relief.

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 the top 10 spots on Amazon's best-sellers list, and ...

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 ...