Every item on this page was chosen by a Woman's Day editor. We may earn commission on some of the items you choose to buy. Back in 2015, the adult coloring book market saw a 1,100% year-over-year ...

Adult coloring books have been consistently popular since 2013 when Johanna Basford’s elegant, calming Secret Garden started the trend. Since Secret Garden was released, there have been a plethora of ...