Thanks, although I was not suggesting there were undiscovered books, but that just as writings came to be recognized and established as Divine, essentially due to their qualities and attestation, so the canon was established as there were no other books that match them.
Yes, I understood that, I just thought that I’d put out there what I could imagine would be the one exception to the idea that there aren’t any other similar books out there. Basically, if there are, we probably haven’t found them, or, by your sound reasoning, they would have demonstrated their authenticity to us.