very carefully at the mud all round poor Heidegger's body, Watson, and what did we find? Some cow tracks, but nothing more. No footprints from people, no bicycle tracks.' Holmes,' I cried. "This is not possible.' Very good, Watson,' he said. "It's not possible, so something is wrong with my thinking. What can it be?" Perhaps,' I said, 'Heidegger broke his head in a fall?' "In mud, Watson? "Oh, I don't know, I just don't know.' "Come, come, Watson,' said Holmes. "Every mystery has an answer. But for now, the Palmer tyre can tell us nothing more, so we must go back to the Dunlop tyre.' We found the Dunlop track again and followed it north Here there was very little mud, and we lost the track. Across the moor we could now see Holdernesse Hall, some kilometres to our left, and in front of us we could see the Chesterfield road. We walked down to the road, and along to the Green Man Inn.