<p>In a deep window seat, hidden by crimson curtains from the room beyond, a little girl was curled up, looking out upon a trim garden, where the first autumn leaves were falling one September afternoon. The view was bounded by a high wall, and above the wall, the east end of Coldchester Cathedral stood up a dark mass against the pale-blue sky. Every now and then a swallow darted past the window, with its forked tail and whitish breast; then ther...