Coloring books for adults are a hot seller on Amazon! Coloring is a relaxing hobby that anyone can do almost anywhere, any time. It's a perfect way to "wind down" from a stressful day.
Coloring books for adults remain a hot trend. They are even finding a resurgence in the current global pandemic where people are looking for ways to stay enganged, entertained, and creative while staying at home in quarantine. Adult coloring books typically include intricately designed black and white line illustrations...