How the Scriptures Became the Scriptures

How did the Scriptures become the Scriptures? In particular, how did early Christians decide which books would be included in the Scriptures and which books would not – for there were far more writings of the time that were set aside than those that were accepted as being Scripture? Interestingly, the process did not happen right away. The writings that are today described as being the New Testament were largely or completely…