Disputes in Russian historical science about one of the most prominent rulers of the Old Russian state, Prince Svyatoslav of Kiev, have not subsided to this day. Some historians consider the prince an outstanding ruler and a brilliant commander of his time, others believe that he was almost a highway robber, who led his squads to both eastern and western neighbors in search of booty. So who was Svyatoslav Igorevich? The author of the book tries to answer this question. The reader will trace the life of the amazing warrior prince from his Balkan campaign of 970–971 onwards. before the tragic death on the Dnieper rapids in 972