Ever wish you had a crystal ball? Would have been convenient if there had been some warning about the kind of financial crisis we're facing now. It would have been great if someone had told us how to prepare. Well, someone did--lots of someones--and they were even on the bestseller lists. I'm sure many were listening, but perhaps not enough. Here are some of the books that warned us about the present. Stay tuned for the list that warns us about the future.