Princess Olivia Investigates: The Sea of PlasticThe second title in this unique series by global bestseller and science educator Lucy Hawking about a former princess desperate to find out about the world around her and what she can do to help it. Illustrated throughout by Zoe Persico and with fascinating non fiction sections from world renowned scientists, this is perfect for readers 7 and over. Everyone talks about how powerful the oceans are, how huge, how mysterious, all those underwater