Do you know what the imagination is, Susan?" The child nodded sagely. "That's when you see things that aren't really there." "Well, not exactly," said Kris with a smile. "No -- to me the imagination is a place all by itself. A very wonderful country. You've heard of the British Nation and the French Nation?" Susan nodded again. "Well, this is the Imagination. And once you get there you can do almost anything you want.