The man who stepped off the flight from Paris could produce identification that confirmed that he was indeed Walter Amundson; book collector and businessman. He was here to acquire some rare first editions from a fellow collector based in Berlin. Amundson was of medium height, well dressed and polite, with short grey hair. He carried one small case that would see him through for his few days of business in Berlin. He was unremarkable. After clearing the usual airport formalities, he collected his case and made his way to the exterior of the arrivals lounge, his hope being that he would be able to flag down a taxi quickly. The KGB man had a room booked at the Kempinski on Unter den Linden, which would be his base for the next few days while he tracked his target. That was the beauty of bei