Susie really enjoyed playing in her room, especially when it rained and she couldn't go out to the playground. One day, as she was putting together a tower of blocks, her cat Psotek suddenly started meowing loudly and scratching the carpet. Susie came closer and saw that a piece of carpet had lifted up. Underneath it she found a shiny blue door! The door was tiny, just right for her size. "I wonder where they lead?" - she thought, and Psotek was already wagging her tail, encouraging her to open it. Susie gently pressed the handle. Suddenly the door opened wide and both Susie and Psotek were drawn in by a swirling light! When she opened her eyes, instead of her room she saw colourful trees growing upside down, plush clouds floating low to the ground and smiling butterflies. - Where are we? - Susie asked quietly, looking in awe at the extraordinary world. Suddenly, a small, purple dragon emerged from behind one tree and looked at Susie with big, glowing eyes. Before Susie could say anything, the dragon did something completely unexpected....