❓ Fun Fact about adult coloring books! #DoYouKnow Sacré bleu! Like baguettes and berets, it appears that French people were the first to pioneer this hype du jour. It started a couple of years ago with publishers in France making a success of adult colouring books by marketing them as a kind of ‘art therapy’ to escape the stresses of everyday life. Soon thousands of French women had joined in the trend, and colouring books became fiercely à la mode, outselling even cookery books.