With a sort of military precision that astonished him, she outlined the route that he was to follow. A half-hour railway journey; turn left outside the station; two kilometres along the road; a gate with the top bar missing; a path across a field; a grass-grown lane; a track between bushes; a dead tree with moss on it. It was as though she had a map inside her head. ‘Can you remember all that?’ she murmured finally.