“Prince Demidov” is Yevgeny Berger’s novel, the second book of the eponymous cycle; action science fiction and bojarime. There are no irreplaceable specialists. You can get sold out even if you’re one of the most dangerous beings in the entire universe—believe me, I know from experience. And I ended up in one of the many realities of people: namely, the Russian Empire of 2011. Now I have only to rush forward to deal with the ungrateful management and find the truth. The main thing is not to accidentally destroy this world…