Selections from The Other Bible:
The Book of Enoch provides an awesome description of what heaven is really supposed to be like, complete with "storehouses" where things like rain and fog were kept under lock and key, and so on. You really get a window into the ancient conception of the world. The others are there because of, well, hilarity.
The Handmaid's Tale by Margaret Atwood.
It's atheist insofar as it features a misogynistic, fundamentalist theocracy that's taken over the United States. I've always wanted to read it, but have never had the chance.