We were flying back from a long vacation and due to land at Dulles airport just before the last shuttle left for our hotel. Normally we’d have driven home. But the trip had been long and exhausting, so we’d booked a room at a hotel near Dulles so we could recuperate before driving the two and half hours down to our home in Richmond, Virginia, the following morning. Our flight originated in Vancouver with a layover in Denver before taking the final plane to Washington, DC. Then came a delay. Nothing bad—we still had plenty of time to reach Dulles before that last shuttle left at midnight for our motel. It gave us time to browse round the airport bookstore, and off we went. None of the latest and greatest so-called ‘best-sellers’ grabbed my attention, so I wandered round the rest of the

