More high adventure and invention with an ecological twist from the Blue Peter Award winning author of Wildspark and Brightstorm. Cast out from the clockwork island of Ironhold, where mechanical technology controls everything, Orin Crowfall wakes on a small boat in the middle of the ocean, with no idea of how he came to be there.Plagued by perilous seas and with a terrifying sea monster on his tail, Orin eventually washes up on island of Thray, which he is amazed to discover is a living, breathing organism that can communicate with its people. Orin is entranced by the island. But as he explores with his new friend Ferelith, he begins to realise that things on Thray aren't as perfect as they first seem, and he's also starting to remember the sinister revelation he made before he left Ironhold...