Crayons have long been a life-saver for parents desperate to keep their children calm and entertained. Now it seems stressed adults are also getting in on the act.
A hand-drawn colouring book has shot to the top of the international bestseller list, and an old past time is fast becoming a new craze.
Secret Garden has taken bookshops in the UK by surprise.
The author has already put out a sequel, but she's now got some competition.
Watch the video for the full story.
source: newshub archive
