London: Museum Press, (1951). First UK edition. Near Fine / Near Fine. Original black cloth, lettered in silver and decorated in silver and red to the spine. In a complete and very attractive dust jacket. A Satan Hall Mystery Novel. A short closed tear at the bottom edge of the front panel near the spine. The original 9/6 price to the flap has a line drawn through it with a 3/6 price written in ink above it. Some minor soiling to the spine and some minor foxing to the edges.