What's arguably the most new, though, is the introduction of colorful "sprayed edges" on the books themselves. Perhaps it goes against the classic mantra, "Don't judge a book by its cover," but ...

Swipe through social media, and you’ll likely come across a content creator holding an exclusive-looking book, the ends of its pages spray-painted a striking color or stenciled with wild designs.

Coloring books have been around for ages. However, the idea of adults doing them to relieve stress is fairly new. These days, it’s more or less apropos to kids and adults alike to crack open a ...