'Abi Elphinstone's books are full of adventure, wit, heart, and, above all, bravery' Katherine Rundell
'No one does edge-of-seat action like Abi Elphinstone' Emma Carroll
'Once an adventure digs its claws in, there is not an awful lot you can do about it. Especially when magic is involved . . .'

In the snowy kingdom of Erkenwald, whales glide between icebergs, wolves hunt on the tundra and polar bears roam the glaciers. But the people of this land aren't so easy to find. Because Erkenwald is ruled by a cruel Ice Queen and you must stay hidden or risk becoming another of her prisoners.
Join Eska, a girl who breaks free from a cursed music box, and Flint, a boy whose inventions could change the fate of Erkenwald forever, as they journey together in search of an ancient, almost forgotten, song with the power to force the Ice Queen back.

This is a story about an eagle huntress, an inventor and an organ made of icicles. But it...