As they search for their missing father near their Cornwall home, Sapphy and her brother Conor learn about their family's connection to the domains of air and of water.

A missing top-secret file poses a terrible dilemma for colleagues Giles Holloway and Simon Callington at the height of the Cold War in London, where Simon's wife, Lily, resolves to protect their family only to be devastatingly exposed.

"Cornwall, 1920. Daniel Branwell has survived the First World War and returned to the small fishing town where he was born. Behind him are the trenches and the most intense relationship of his life. As he works on the land, struggling to make a living in the aftermath of war, he is drawn deeper and deeper into the traumas of the past and memories of his dearest friend and his first love. As the drama unfolds, Daniel is haunted by the terrible, unforeseen...

"No human has ever made the Crossing of Ingo - the most dangerous journey young Mer have to face. Sappphy and Conor have been chosen for this epic challenge, and the future of both Air and Ingo depends on their success. But Ervys, his followers and new recruits, the sharks, are deteremined to stop them - dead or alive ..." Back cover.

"Catherine and her brother, Rob, do not know why they have been abandoned by their parents. In the house of their grandfather, 'the man from nowhere,' they forge a passionate refuge for themselves against the terror of family secrets, and while the world outside moves to the brink of war, their sibling love becomes fraught with dangers." -- Jacket

In this companion novel to the Ingo series, myth and reality collide when Morveren, a young girl from a Cornish island, discovers a Mer boy, Malin, half-buried in the sand dunes. New conflicts erupt between the worlds of sea and air, and storm clouds of danger gather as Morveren and her twin sister, Jenna, struggle to protect Malin. An enthralling battle of loyalties begins when Morveren and Jenna learn that even your closest friend can betray you,...