LUCY was the code name of the late Rudolf Roessler, a violent anti-nazi who emigrated to Switzerland in 1933. In the opinion of qualified observers on all sides, the information that Roesller obtained (and transmitted to Russia) between 1941 and 1945 from ten peacetime German friends - who were not only anti-Nazi, but trusted officers of the German high command - may well have cost Hitler the entire war. For that war was won in Switzerland. Here is the fantastic story of this mysterious figure who, posing as a Swiss publisher, for four years conducted one of hte most brilliant espionage operations in history.