Susan was rather fond of Clarke's Laws; while she had no definitive proof one way or the other, she strongly suspected that her grandfather had inspired them. She gave Arthur a wider smile in return. "They've always been favourites of mine. And they're quite accurate, in my experience at least.

"I know!" she added, a little dreamily. "It's just brilliant, isn't it? Well, the school of magic bit. Not the being lied to bit, which I highly doubt is the case, unless someone's gone to an implausible amount of trouble faking it all."