Ward reveals that the key to understanding the Chronicles of Narnia is the way that C.S. Lewis organises his stories around the seven medieval planets that suggest the nature of God and aspects of the Christian life.

Peter, 17 years old, six foot tall and good looking has started to notice a ghostly orb hanging around in his bedroom, at the home he shares with his divorced mum. He resolves to speak to it the next time it appears and just as he is about to fall asleep that evening, the orb appears. He speaks to it and it answers back. The orb turns out to be nothing to do with a spirit but is actually a contact device called a 'Visioner' belonging to an alien ambassador, who has been studying and learning about Peter and his girlfriend Julie for nearly four years. Having decided that Peter was now old...