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