I've been developing this theme since I was Christian. It's changed quite a bit since then, but the underlying principles remain. There is some true and correct and explanation of where the Bible came from. The theist or atheist should be equally invested in knowing what that is, and should be able to agree on methods to discover that truth. Faith and conspiracy theories are add on's. How culture reacted to it also has historical facts about it. It's a separate set of facts from where it came from though.
Click here for the long explanation]
we dont know where it came from we dont know who wrote it but we know it was spread through empire