About the book: 2000 / A new book in the well-known series "Great Mysteries" - about the mysteries of Ancient Rus', of which there are more than enough: who such Slavs, where in ancient times the border of Rus' passed and “where did the Russian land come from”, who were the first Russian princes, how Christianity was established in Rus' and, finally, what unsolved secrets does the well-known Battle of Kulikovo keep??