The Red Line is the story of a train journey from London to Hong Kong. It is set in 1981, the year Christopher made the first of twenty-four such journeys as a tour guide, when the Cold War was still very much a fact of life. Although China appeared to be on the brink of significant change, no one could know for certain; Poland was stirring but the prospect of change in the USSR and its other allies seemed remote. This made a journey by train across...