Lauren James dives into a strange new world with a truly imaginative look at the climate crisis in this breathtaking companion to the Carnegie Medal-nominated The Starlight Watchmaker. When Hugo and Ada travel to their friend Dorian's planet for the holidays, android Hugo is anxious about being accepted by Dorian's powerful family. But when they arrive on Hydrox, there are more pressing things to worry about, as the planet has been overrun by refugee butterflies. Displaced from their home by climate change, the butterflies have been offered sanctuary by Dorian's parents, but they're quickly running out of space. Meanwhile, beneath the seas, a strange creature is wreaking all kinds of havoc … Can Hugo, Dorian and Ada step in before the crisis gets out of control? Particularly suitable for readers aged 11+ with a reading age of 8.