You may have been starting to think the adult colouring craze was over, but don't pack your colouring pencils away just yet.
Far from the enchanted forests, mandala designs and detailed beach scenes, there's a whole world of options out there for artsy adults looking to get down with mindfulness.
Fans of romantic fiction publishers Mills & Boon will be able to scribble over the chiseled chests of characters from some of their most iconic covers in their first colouring book, The Art of Romance.
But if you'd rather not put your pencils to buff guys and swooning damsels, here are some other hilarious options that may take your colouring fancy.