If you haven't read The Great Divorce by CS Lewis, you're missing out. go to the library and get it.
The premise is that a bunch of souls take a bus ride out of hell into the outskirts of heaven. So this book is pretty much about a bunch of spirits floating around. Strangely, this must not be as obvious as I thought. When we encounter a character named Dick on page 39, a reader felt need to make special note of this, to another reader's exasperation.