On Gullstruck Island the volcanoes quarrel, beetles sing danger and occasionally a Lost is born... In the village of the Hollow Beasts live two sisters. Arilou is a Lost – a child with the power to depart her body and mind-fly with the winds – and Hathin is her helper. Together they hide a dangerous secret. Until sinister events threaten to uncover it. With a blue-skinned hunter on their trail and a dreadlocked warrior beside them, they must escape. Can the fate of two children decide the future of Gullstruck Island? Discover a dazzling world, a breathtaking heroine... and an incredible adventure. For on the island of Gullstruck nothing is exactly as it seems! With a cast of larger-than-life characters, this is a richly imagined adventure no child will be able to put down – or ever forget!