Swirling seahorses, sunken ships and shoals of fish all feature amongst the pages of Johanna Basford's newest colouring book, Lost Ocean. The illustrator's adult colouring books have sold millions of copies across the world, and when looking at her intricate drawings, it's not hard to see why.
Watch this video to go behind the scenes and find out about the illustrator, get a sneak peek into her studio and find out what inspires her newest title.
Feeling inspired?
Buy Johanna's colouring books Lost Ocean, Secret Garden and Enchanted Forest at Cass Art.
Read our in-depth interview with Johanna here.
Video courtesy of Virgin Books and Penguin Books.