Is there any proof about who exactly wrote the Bible? I know there is no proof of the Greeks writing their books, but those books never claimed to be the word of God. If I had lived back then I could have easily written a moral story and claimed that it was the word of God, like Jew turned Christians were doing. To get down to the point here, we can't be for sure who the author is here, just that he claimed to be writing down stuff that he heard from his Sky God.
I want Christians to give me an answer here too, I already know that the Atheists are going to come in here and say something, but Christians don't be afraid.