Arthur's Travel Guides for Children: One day something extraordinary happened to me. Something hard to believe. Something I couldn't tell grown ups, they'd think I was mad: I had a dream that was more than a dream, how can I explain? It's difficult.... Best that I tell you the whole story."The sun was coming up over the horizon and the sky was full of beautiful pale pink reflections. I saw a city slowly waking up, but instead of streets, there was...