Isolation a novel

"After tragedy in Papua New Guinea, a missionary couple returns to America and begins drifting apart from each other and from God. When their family moves into a Smoky Mountains retreat, they can't imagine the terror that awaits."@en
"When a snowstorm traps a missionary and his family, the supernatural dangers of their new home will test everything they thought they knew about each other, and about their faith."
"James Miller is a burned-out missionary whose time on the mission field in Papua New Guinea left him exhausted and disillusioned. His wife, Stephanie, feels like she's losing her mind. After moving to North Carolina, Stephanie begins seeing strange and frightening things: blood dripping down the walls, one of her children suffocating. Premonitions, she's sure, of what's to come. As the visions and haunting images intensify, Stephanie asks her brother to come for a much-needed visit--but he's hiding secrets of his own that will prove more destructive than Stephanie can imagine."@en