One of the most popular of the south European epic heroes--a counterpart of the French Roland or Spain's El Cid--Prince Marko has not been well known in America. The historical Marko headed a small kingdom in Macedonia in the fourteenth century. A vassal of the Turkish sultans, he was a relatively minor historical figure. Yet in the oral tradition, he was transmuted into a figure of legend, the great hero who protected the south Slavic people form...