About the book: 2013 / The author tells about the years of the reign of the great princes - Mindaugas, Voyshelk, Troyden, Viten, Gediminas, Olgerd, Jogaila, Keistut, Vytautas and others , whose life is inextricably linked with the history of the Grand Duchy of Lithuania until the conclusion of the Union of Lublin in 1569.