Nellie Choc-Ice (the greatest penguin explorer in the world!) and Jeremy Strong return to fight the scourge of plastic in this funny and thoughtful gem. Nellie Choc-Ice is on her way home to the North Pole at last! But things don't go so smoothly when Captain Beardy-Beard's trusty submarine grinds to a halt in an island of plastic – and they aren't the only ones who are trapped. It's up to Nellie to untangle everyone from the mess … But what are they going to do about all this plastic in the ocean?A touching and funny Little Gem from an author-illustrator dream team!