I groaned but kept moving, for I was a Borderer, and the Scottish Borderers are the most natural survivors in the world. We have had to be, for we live on one of the most volatile of all frontiers, where war lurks beyond the crest of the next hill and raiding reivers could turn any night hideous. I began to blaspheme; what was I doing, giving up so easily? If there was a way in, then there must be a way out. How had this dungeon been constructed? What faults had the builder made? I had believed that this pit was simply thrust into the foundations of the castle, but I had forgotten than Lochindorb was erected on a man-made island. At some remote time in the past, men had carried great boulders into the loch and dropped them, one after another, until they created the base for this whole unn

