Imagine Ellen's surprise when Princess Mirror-Belle climbs out of the bathroom mirror! She comes from a world where bubble fish swim in the bath, elves sleep in slippers, and brave knights fight fire-breathing dragons. And while Ellen has chicken pox, Mirror-Belle has dragon pox - but she knows just the cure. Princess Mirror-Belle and the Dragon Pox is a magical story from the stellar picture book partnership of Julia Donaldson and Lydia Monks, creators of What the Ladybird Heard. A fun story about an unexpected friendship, paired with bright and distinctive illustrations and glitter on every page, this story is perfect for reading together.