Disclosure: some product provided for review purposes. Links below may be affiliate links and CTD will receive a small commission from your purchase. Opinions are 100% our own and based on first-hand experience with the product. Thank you! You might have heard- coloring books for adults are HOT. (And not in the icky/pornographic way, but in the way it’s SUPER-popular!) It’s an international phenomena and it seems everyone is jumping on the coloring book train to promote creativity and destressing. […]