About the book: 2012 / Konstantin, who has fallen into the body of the Ryazan prince, faces new trials. This time his rival, Prince Yaroslav of Pereyaslavl-Zalessky, decided to act more cunningly: create an entire coalition and strike from three sides at once. And it’s time for Konstantin to howl with frustration, because there is less and less time before the Tatars come to Kalka, and instead of the cherished unification of Rus', he is now getting a new civil strife. It turns out that the Ryazan prince must not only survive it, achieving victory, but also try to ensure that there are as few casualties as possible. And then Volga Bulgaria began to stir, deciding to burn down the Russian city on the sly. This also cannot be forgiven - they will stop respecting you. And Constantine himself is good: he completely forgot the old sorcerer’s order to constantly wear on his chest the treasured serpentine amulet, which gives strength to resist Cold. And as soon as the prince took it off for a while, that’s when it all started - the Ryazan resident chose a painfully inopportune moment for this…