Obviously, taken as a whole, the books of the New Testament were quite popular. They were Scripture, after all!
But how popular were they individually?
People today have favorite books in the Bible–ones they go to all the time, and ones they only rarely look at.
This is a phenomenon that affects both the books of the Old and the New Testament, and it’s possible to get a sense of how popular particular books were in particular time periods.
One way of doing that–before the Bible was bound as a single volume–is by seeing how many copies there are of individual books…