Up A Winding Stair, by H. Vernor Dixon (Gold Medal, 1953). From
The Two-Timers, by Bob Shaw (Ace, 1979). From a charity shop
Vampires of Venus, by Karl Mannheim (Five Star, 1972). From a
The House Of The Magus, by Jack Shackelford (New English Library,
The Black House, by Patricia Highsmith (Penguin, 1983). From
Due To A Death, by Mary Kelly (Penguin, 1968).From a charity