Typically, a coloring book is anywhere from 16 to 60 pages, with black-and-white interior line art, like the page above from Joni McCrackens Color Your Essence.
Do adult coloring books sell well?
As far as trends go, there are few that hit the perfect bubble shape like adult coloring books. Today, adult coloring books are certainly selling more than they did pre-2015, but nowhere close to the same record-breaking numbers at the height of the trend.
Why are adult coloring books a thing?
Adult coloring books are usually geared towards relieving stress because they have intricate designs that challenge the fine motor skills and attention span of even the most detail-oriented adults, reads a statement on the site. This makes adult coloring pages a fun challenge and something you can lose yourself in.