16+ "Land of an Evil Spirit", a novel by Alexander Prozorov and Andrey Posnyakov, 2014.
1582 год. The daring ataman of a hundred, Ivan Egorov, son of Eremeev, as part of Yermak’s army, sets out to conquer the Siberian khanate. The forces of Khan Kuchum are defeated; rich cities—Kashlyk and Chingi-Tura—are taken and plundered, and the Cossacks, fighting their way through, break toward the Ob…
And it’s right here that the paths of Ivan and Yermak diverge: young ataman learns from local people about the existence, somewhere in the upper reaches of the Ob, of a country of eternal summer and terrifying dragons—their rulers are злoві чаклуни сир-тя—who possess an unimaginable amount of gold…