The book tells about the history of Moscow and the Moscow state in the 14-15 centuries. At this time, Moscow becomes first the capital of the principality, and then the main city of a huge state. Yuri Dolgoruky, Daniil Alexandrovich, Ivan Kalita, Dmitry Donskoy, Ivan III, Vasily I, Vasily II - all of them contributed to the formation and development of Moscow and Muscovy. What was that contribution?