Dive into a magical underwater world and discover the unicorns of the sea.

Brimming with adorable narwhals and their underwater companions, go on a magical journey as you get lost in this colouring adventure.

Children and adults alike can colour one of the ocean's most mysterious animals and bring these cute underwater creatures to life.

Part of the I Heart Colouring series.

Jessie Eckel completed an art foundation course in Nottingham and won the Ida Berry Young Artist of the Year Award at the end of the course, before moving to London to take a First Class degree in Illustration. Her degree course was so successful that she received immediate commissions from prestigious organisations like Greenpeace, Habitat and Wagamama. She now works full time as an illustrator, producing artwork for stationery items homewares and publishing.

She is the illustrator of Doodle Dolls and has illustrated a series of colouring books for Buster including I Heart Unicorns.