A revival of interest towards the Mongol invasion could be mentioned in the last years. In the latest researches, conserning problem of the invasion on the Southern and South-Western Rus lands, on the one hand, specialists state new thesises, based on sources, wich were not used still in the context of this problematics, on the other hand, scholars inspecting hardened beliefs, basing on new sources. Series of articles written by A.V. Mayorov, are dedicated to history of the Southern and South-Western Rus of the Mongol invasion period. Re-examined relations between south Russian princes and invaders. Ascertained directions and geographical limits of mongol drives, dates, number and position of taken towns, specifics of their assaults. Conclusions of the scholar are based on wide usage of western sources and detailed analyses of Russian Chronicles.