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.

Coloring isn’t just for kids anymore — it’s now a genuine pastime for adults, too. If you’d like to unwind with one of your favorite childhood hobbies, try a coloring book made just for grown-ups.

Good news for those who grew up with elementary amusements like crayons and coloring books -- you know, instead of digital doohickies like tablets and smartphones. They're ba-ack. Just in time for the ...