About the book: 2018 / In the book of a famous Russian historian, professor of the Department of History of Russia before the 19th century, Faculty of History, Moscow State University. Lomonosov A. A. Gorsky includes his selected articles from the 1990s - 2010s. Chronologically, they cover the period from the emergence of Russian statehood to the end of the 15th century. — the time of formation of a unified Russian state. The issues of the formation of the ancient Russian state and society, problems of historical terminology, the relationship of Russian lands with the Mongol Empire and the Golden Horde, the process of growth of the possessions of Moscow princes at the end of the 13th–15th centuries are considered. Some of the works are devoted to issues of source research (including treaties between Rus' and Byzantium in the 10th century, “The Tale of Igor’s Campaign”, “The Tale of the Murder of Batu”). For all those interested in Russian history and the widest range of readers.