Seven-year-old Susie had an old, large wardrobe in her room. Every night the wardrobe creaked slightly, but tonight it made a different kind of sound - it knocked quietly. Susie walked over, swung the door open and saw that a tiny, shiny door had appeared at the back of the wardrobe. They were no bigger than her colouring book! Susie looked inside and felt a gentle breeze, even though she was home after all. "I wonder where this door leads?" - she thought. She heard laughter - quietly, as if someone was joking on the other side. Something colourful flashed through the crack. Susie saw a silver key lying on the shelf next to it - it hadn't been there before! Susie squeezed the key tightly and slid it into the lock. The lock clicked and the door swung open by itself. A golden glow began to emanate from inside, and strange, swirling butterflies hovered in the air. Susie took a deep breath and slowly slid her head through the mysterious door.... And suddenly...