“How had the People ever left the surface? Sometimes she wished that her ancestors had stayed to fight it out with the Mud People. But there were too many of them. Unlike fairies who could produce only a single child every twenty years, Mud People bred like rodents. Numbers would subdue even magic. Although she was enjoying the night air, Holly could taste traces of pollutants. The Mud People destroyed everything they came into contact with. Of course they didn’t live in the mud anymore. Not in this country, at least. Oh no. Big fancy dwellings with rooms for everything—rooms for sleeping, rooms for eating, even a room to go to the toilet! Indoors! Holly shuddered. Imagine going to the toilet inside your own house. Disgusting!”