Shortlisted for the Arthur C. Clarke Award, the British Science Fiction Association award for best novel, and the Kitschies Red TentacleMarine biologist Hana Ishikawa is racing against time to save the coral of the Great Barrier Reef, but struggles to fight for a future in a world where so much has already been lost.Seventeen-year-old Judith Holliman escapes the monotony of Sydney Town during the nineteenth century, when her naval captain father lets her accompany him on a voyage, unaware of the wonders and dangers she will soon encounter.Telma Velasco is hunting for a miracle in a world ravaged by global heating: a leafy seadragon, long believed extinct, has been sighted. But as Telma investigates, she finds hope in unexpected places.Past, present and future collide in this powerful elegy to a disappearing world - and vision of a more hopeful future.