Outpost
“Set in war-torn Eastern Europe, a band of battle-worn mercenaries undertake a dangerous mission into a no-man’s land at the behest of a mysterious businessman. When they locate and secure a disused military bunker, they also discover a terrifying secret that has laid buried for half a century–and which they’ll have to fight to survive.”
From what I’ve read I’ll give you one hint at what that secret is… it starts with a Z.
Available at Amazon.
