Murder, mayhem and mystery meet in the gripping Victorian world of the bestselling series,The Cogheart Adventures... Join Lily, Robert and Malkin on a fantastic voyage of terror and triumph in Shadowsea, their fourth and final adventure, from award-winning Peter Bunzl. Dark secrets never stay submerged for long. Swept into the bright hustle-bustle of New York, Lily, Robert and Malkin discover that danger lies beneath the citys surface. For there are chilling goings-on... A strange boy held captive who needs their help, and a shadowy professor with a treacherous plan. Searching for clues, Robert and Lily are plunged into deep water... But will they uncover the deadly truth in time to survive?Praise for The Cogheart Adventures:A steampunky tale of ambition, pursuit and revenge. The GuardianExpect thrills, mayhem and mystery. BookTrustA delightfully badly behaved heroine, enthralling mechanicals and a stormer of a plot. Abi ElphinstoneA glittering clockwork treasure. Piers Torday