From killers to conservationists, the story of three generations of the Kristensen family, their history as whale hunters and later their mission to save the great whales and our planet.

There are 1.3 million great whales left in the Earth's oceans today. Climate activist Abi and her AI computer Moonlight are on a mission to protect the planet. When they uncover whale song recordings made by Abi's great-grandfather, a whale hunter, Moonlight discovers a pattern... ...the songs are a map to a future that could rescue the whales and rescue the world. 'A hard-hitting, beautifully written call to arms' Guardian * Daily Mail Best Book of 2022 * * Big Issue Kids' Best Book of 2022 *

Vick's generation-spanning eco-thriller zooms around up-to-the-minute themes