Despite the fact that this has been a topic of sustained scholarship now for more than three hundred years, there is scarcely a single book written about it for a lay audience—that is, for those who know nothing about it, who don’t have the Greek and other languages necessary for the in-depth study of it, who do not realize there is even a “problem” with the text, but who would be intrigued to learn both what the problems are and how scholars have set about dealing with them.2