13:30, 21 Mar 2016 Updated 14:24, 21 Mar 2016 Johanna Basford is the founder of the adult colouring in craze that has been taking the UK by storm (Image: SWNS) ...

"He came to me one day and said 'colouring books for adults', and I looked at him blankly," Mr Dowling told 774 ABC Melbourne 's Dave O'Neil.

So many adults are spending their days colouring in the lines, pencil companies are struggling to cope with the demand for coloured pencils and felt tip pens. Jenni Ryall is Mashable's VP of ...

Colouring books for adults have become something of a phenomenon in recent years and we have 32-year-old illustrator Johanna Basford to thank for it.

ADULT colouring books are hardly a new new trend anymore, but do you know what they are or why they are popular? They first became all the rage towards the end of last year and, since then, th… ...

But colouring books marketed to adults as a salve for the stresses of daily life fall into a relatively new and growing category.

Sold out, a colouring book for adults! British artist's second release sells 226,000 copies in just one month Johanna Basford released Secret Garden in 2013 which sold 1.5m copies 32-year-old's ...

The top selling books on Amazon right now are not fiction, classics or sci-fi, but adult colouring books! Basford’s intricately drawn pictures of flora and fauna in Secret Garden have sold 1.4m ...

Melissa Cox, head of children’s buying at Waterstones, said staff had noticed an increasing trend for adults buying colouring books for themselves, with sales rising 300 per cent year on year.

Chat Thérapie on Amazon.fr, for example, is a series of 100 anti-stress, purring cats; The Little Book of Calm Colouring: Portable Relaxing, purports to do exactly what its title says.