About the book: 2014 / Andrei Kizhevatov, a former GRU special forces soldier, went with his friends on vacation to the Black Sea coast, dived with scuba gear, and emerged... at the end of the 17th century! Old Rus', the country of boyars, serfs and archers, was living out its last years. The young sovereign Peter Alekseevich began a war with the Turks and Crimeans for Azov. To survive in a besieged city, Andrei is forced to impersonate a Turk, but could he have stood aside when the Russians were dying under the walls of Azov??..