Anna envisaged lunch at a nearby café, or a drive to the bayside suburb of Sandgate where Mary and Roger had taken them the day after their arrival. If she remembered correctly, there was a flat, grassy area dotted with benches running parallel to the water. A walk followed by a sit beside the sea in warm winter sunshine would do her good, blow away the cobwebs created by recent lethargy. So it came as a complete surprise when, after winding through suburban streets to the main road leading to Sandgate, Mary drove towards the city. After a few miles, she turned right into a wide street comprising a strip of bitumen in the middle, bordered by broad swathes of grass. "Are we going to visit one of your friends?" Anna asked, as Mary pulled up outside one of the old wooden houses on stumps kno

