Have you read Swan Song by Robert McCammon? It's a pretty dark fantasy type end of the world book. It was written in 1987 (I must've read this book for the first time when I was 17 or so, when it first came out). I just recently picked up a used copy of Swan Song, and read it for the first time since then.
It's an end of the world tale, a la the Stand, except the end of the world as we know it is via Nuclear War, and the focal point of the story is around a smaller group of main characters. It's not a bad book, and definitely is an interesting read because it dates itself (unlike the Stand, which has remained nearly timeless). Pick it up used or at the library, if you are interested, it's not that great of a book to pay $8.00 for.