Chapter 35

So far everything was usual and explainable, but there was always another element present that mystified Jack. This consisted of various young people of both sexes, always good-looking, perfectly dressed and at least superficially well-bred; often vivacious and charming--but invariably with hard, wary eyes. These self-possessed youngsters turned up mysteriously, and were as mysteriously lost sight of again. They made a convenience of Mrs. Cleaver's house almost as if it had been a hotel. Mrs. Cleaver introduced …