Winner of the CILIP Carnegie Medal.

Every summer Quill and his friends are put ashore on a remote sea stac to hunt birds. But this summer, no one arrives to take them home.

Surely nothing but the end of the world can explain why they've been abandoned - cold, starving and clinging to life, in the grip of a murderous ocean. How will they survive?

'Brilliant, beautiful...as unpredictable as the sea itself' Philip Reeve, author of The Mortal Engines

'This is the best book I've read this year. Extraordinary' Kiran Millwood Hargrave, author of The Girl of Ink and Stars