The work is devoted to the study of Russian-Scandinavian relations of the X-XII centuries. based on the materials of Scandinavian runic inscriptions, the method of using which as a historical source is considered specifically. The book published 97 Young Romanic texts from Denmark, Norway and Sweden, containing information on the political and economic history of the relationships of the Scandinavian countries with Eastern Europe and rich historical and geographical material; 23 inscriptions mentioning Byzantium, and 24 runic inscriptions found on the territory of the USSR.