About the book: 2010 / The book is dedicated to the history of the entry into Russia of the principalities of the Upper Oka, Bryansk, Smolensk and other lands located at the end of the 15th - beginning of the 16th centuries. on the Russian-Lithuanian border. The author focuses on the position of the local population (princes, boyars, townspeople, Orthodox clergy), who in their own way solved the difficult task of choosing between two opposing powers - the great principalities of Moscow and Lithuania. The work is based on a wide range of sources, some of which were introduced for the first time by the author into scientific circulation. The first edition of the book (1995) caused a wide scientific resonance and was the most serious generalizing work on the history of relations between Russia and the Grand Duchy of Lithuania in recent decades. In the second edition, the text of the book has been significantly revised and supplemented, and is also provided with maps.