I absolutely loved Justin Cronin’s novel The Passage. A couple of years later, I really enjoyed the sequel, The Twelve. I liked the third book, The City of Mirrors, though I thought Cronin spent way more time on, let’s just say (for the sake of not spoiling anything) the backstory of a significant viral (Cronin’s word for a vampire) character than I thought he should’ve. The backstory was interesting, true, but it didn’t seem to contribute a lot to the overall story arc. That said, I was still happy with where the trilogy ended. The overview of the story: Scientists are trying to develop a cure for all the infirmities…