33
It was growing dark by the time we arrived at the address I had copied from the stinking envelope. From the opposite side of the street I examined our destination, an elegant detached house in a pleasant suburb, where the properties had small, neat front gardens, and the pavement was interrupted at intervals by established trees. As I was studying the house, the curtains at an upstairs window were drawn. Although the figure at the window was only visible for a few seconds, I was fairly sure I saw a woman with shoulder-length hair.
One worrying explanation for Isobel’s disappearance was that Richard had murdered her in a jealous rage, and Adam had agreed to protect his father by pretending his mother was still alive. The fact that the police were now looking for Adam seemed to confirm
