A Virus Has Ravaged Earth: Am I Really Human?

Any Horror Novels? The Scarier and More Bone-Chilling, the Better

Something like "My House of Horrors" or "Horror Recovery". Most importantly, I want third-person narration, not first person. It should be original, not a branching story. One story in one world is enough; it’s annoying when a single story has too many different worlds.