About the book: 2011 / He was thrown into the Middle Ages from our time. His skills and knowledge allowed him not only to survive, but also to change the course of history. Popularly nicknamed the prince-sorcerer, he managed to hold off the Tatar-Mongol invasion. Introduced technologies that were centuries ahead of their time. But his growing authority and power are not at all to the liking of the appanage, scattered princes. The enemies are full of determination and begin to act. Fate is cruel, but the battle for survival continues.