You can often hear the expression “Petrine era” when talking about Russia at the turn of the 18th century. And this is fair - after all, our country was transformed under Peter I. The beginning of this era was marked by the Great Northern War, emerging from which Russia became a military and naval power, and Sweden, on the contrary, lost this status forever. People and battles of the turbulent turning years appear on the pages of a new book by the famous writer-historian.