What do you mean "authored by God"? Do you mean, did the humans who wrote the Bible have a direct line to God , e.g., were "inspired" by him? Sure - the parts that I can see coming true in human society, i.e., prophecies. I do want to remind you that other ancient cultures also predicted a "time of great troubles", based on an understanding of the yin/yang, push/pull which is just how the world works.

The rest of the content of the Bible is: (A) a description of Jewish life thousands of years ago in what we now call the "Middle East". (B) commandments on how we humans should behave. These commandments were invented by humans based on their own personal understanding of the meaning of life and on their own ideas as to how their own particular society would benefit from following certain rules. I do not think that all of these rules necessarily apply to Carla in 2006. Or to you.