Just when you thought the adult colouring book market was saturated

HARPERCOLLINS TO TAKE ADULT COLOURING BOOKS TO “THE NEXT LEVEL” HarperCollins imprint Harlequin UK is to launch a new series of colouring books for adults as the trend for the surprise-hit leisure pursuit shows no sign of diminishing. The Blank Colouring Book for Adults series will launch in July, a

What Are The Best Markers For Adult Coloring Books? – ColorIt

Artist Cashes in on Adult Coloring Book Craze

The Shaft Award

What Happened To Adult Coloring Books? Charting The Boom And Bust

The Shaft Award

How adult coloring books became a million-dollar trend

Coloring book pros and cons for kids and adults

Here's Why So Many Adults Are Into Coloring Books - Fitbit Blog

The Mindfulness Adult Coloring Book: More Anti-stress Art Therapy For Busy People By Emma Farrorons (paperback) : Target

Artist Cashes in on Adult Coloring Book Craze

Adult Coloring Books Were Popular (and Subversive) in the 1960s, Smart News