Authors:

What happened to the world was gradual. I've forgotten what it actually was, but I have faint, fetal memories of what it was like. A smoldering dread that never really caught fire till there wasn't much left to burn. Each sequential step surprised us. Then one day we woke up, and everything was gone.

Isaac Marion (2012). “Warm Bodies: A Novel”, p.53, Simon and Schuster
What happened to the world was gradual. I've forgotten what it actually was, but I have faint, fetal memories of what it was like. A smoldering dread that never really caught fire till there wasn't much left to burn.