16+ "Missing the Cossack Band", a novel by Alexander Prozorov and Andrey Posnyakov, 2015.
Two years have passed since a detachment of Cossacks—who broke away from Yermak’s band—found a world where the ancient Sir-tya sorcerers had lit a second, magical sun. Thanks to it, in the north there arose an oasis where mighty “dragons” came to life—dinosaurs.
Having built a Troitsky ostrog (fortified settlement), the Cossacks with ataman Ivan Egorov at their head repelled attacks from sorcerers, sending small bands for gold from time to time. And it had to happen that one of those bands never returned. No Cossack believes that seasoned warriors like the centurion Silantius, the German Straube, the campaign ataman Matvey, and his faithful wife—the sharp-eyed witch Mitayuki-ne—could have vanished without a trace. That’s why the search party is formed from the best Cossacks…