Bunker: Epicenter (Bunker #2)

Aleksi Stassik and a group of soldiers from the Velikiistok army head down south to the desert plains beyond the snow-capped peaks of the Demarkacia. Velikiistok, which is lacking the fossil fuels necessary for the war against the Ieretiks, has no choice but to strike up negotiations with the prince of the Southern Territories, Aberrahman Derleth Al-Hazin. Unfortunately, it's common knowledge that the prince has various ties with the Ieretiks. Perhaps that's why he suggests such an unusual exchange for his barrels of oil to the Velikiistok army...