Swept into the bright hustle and bustle of New York, Lily, Robert and Malkin discover shadowy secrets lie beneath its surface. For there are chilling goings-on in their hotel... A strange boy held captive, haunted by an undersea mystery; and a revengeful villain with a treacherous plan. Searching for clues, Robert and Lily are plunged into deep water... But can they reveal the deadly truth before the secrets submerge them? Join Lily, Robert and Malkin on a fantastic voyage of terror and triumph, in the fourth and final Cogheart Adventure...Peter grew up in South London in a rambling Victorian house with three cats, two dogs, one sister, an antique-dealer dad and an artist mum. He is a BAFTA-winning animator, as well as a writer and film-maker. Like Lily and Robert, he loves adventures and reading penny dreadfuls, but wishes dearly that he had a mechanical fox called Malkin. Shadowsea is his fourth novel.