One of the fundamental questions a Christian should ask is ‘What is the Bible?’ My renaissance as a follower of Jesus began with asking this very question. I have touched on this issue in various ways on this platform which you can begin to explore here. The folks over at The Bible Project have put together a short animation that concisely answers that question in the video below.
For a fuller treatment of the Bible’s developmental history you can go here for a lecture by Dr. Tim Mackie, co-founder of The Bible Project. You can also find more resources on this from his personal website.