In Book 3 Angel decides to use Ka's ability to open a door in time to travel back to 1062. Her aim is to stop the Norman invasion of England and to start the Industrial Revolution seven centuries early, hopefully in a less damaging way for the planet. ... Pausing at the brow of a hill, near the crossroad at Little Upton, the Duke was astonished to see what looked to be the solitary figure of a very tall girl standing on the bridge. His eyesight was...